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Maiasaura
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Maiasaura was a plant-eating dinosaur that lived in
North America during the late Cretaceous period,
about 80 to
65 million years ago.
It was probably one of the dinosaurs that died out in the Cretaceous-Tertiary
extinction,
65 million years ago.
Maiasaura adults were about 30 feet (9.1 meters) long,
and weighed 3 to 4 tons.
The creature could walk on two or four legs, and had
no obvious defenses against predators except for its
heavy muscular tail, and the fact that it lived in
large herds (some herds many have consisted of as many
as 10,000 individuals).
When Maiasaura was first discovered in
western
Montana
in 1978
by "Jack" Horner
and Robert Makela,
a complete nesting site was
found, where the dinosaurs laid their eggs, and nutured their young.
The nests were mounds of mud, with a depression in the center of each
mound. The eggs had been laid with great care, arranged in circles and layers
within the depression, each nest containing 30 to 40 eggs, each about the size
of an ostrich egg. Scientists believe that
Maiasaura would probably have covered each layer of eggs with sand or earth,
to protect them from predators, and
to keep the eggs warm. Although the parents are not believed to have sat
on the nests, it is highly likely that heat generated by
rotting vegetation in the nest, contributed to warming the eggs.
The name Maiasaura means "Good Mother Lizard", and was chosen in honor of the fact
that it was the first dinosaur species discovered with clear and convincing
evidence that it cared for its young.
This includes the fact that
fossils
of baby Maiasaura show that the hatchlings' legs were not fully
developed, and were incapable of walking, yet also show partially
worn teeth, indicating that the adults brought food to the nest.
Maiasaura has been designated the official state
fossil
of
Montana,
since
1985.
Maiasaura was the first dinosaur in space. A Maiasaura egg-shell, and a piece
of bone from a baby Maiasaura, were taken into space by NASA in
1985.
Maiasaura was a herbivore (plant-eater) that lived from 80 to 65 million years ago
Related Information & Resources
See Also
Maiasaura Facts
Here is a summary of some of the key facts about Maiasaura:
- Maiasaura was a genus of dinosaur.
- "Maiasaura" means "good mother lizard". This name was chosen by "Jack" Horner and Robert Makela in 1978, and refers to the fact this was the first dinosaur for which evidence of naturing behavior was found.
- Maiasaura was a member of the Ornithischia ("bird-hipped") order of dinosaurs. What this means, is that although Maiasaura was not closely related to birds, it did have similarly shaped pelvic bones.
- Maiasaura was a Hadrosaur (usually known as "duck-billed dinosaur") - a member of a group of related herbivorous (plant-eating) dinosaurs that were very successful in the Cretaceous period.
- Maiasaura lived between about 80 million years ago and 65 million years ago, during the late Cretaceous period.
- Maiasaura was one of the dinosaurs which died out during the Cretaceous-Tertiary mass extinction at the end of the Mesozoic Era.
- Maiasaura lived in North America.
- Maiasaura was a herbivore (plant-eater).
- Maiasaura was about 30 feet (9.1 meters) long.
- Maiasaura weighed about 3 to 4 tons.
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Maiasaura Books Here are some books from Amazon.com:
Disclosure: Products details and descriptions provided by Amazon.com. Our company may receive a payment if you purchase products from them after following a link from this website.
By Dougal Dixon
Brand: Picture Window Books Released: September 1st, 2006 Library Binding (24 pages)
| List Price: $26.65* Lowest Used Price: $1.68* In Stock* *(As of 03:53 Pacific 18 Mar 2024 More Info)
Click Here | Description: Maiasaura and Other Dinosaurs of the Midwest (Dinosaur Find)- Manufacturer: Picture Window Books
- Brand: Brand: Picture Window Books
- ISBN: 1404827498
- EAN: 9781404827493
Details:- Product Category: Library Binding
- Number of Pages: 24
- Author: Dougal Dixon
- Publication Date: September 1st, 2006
- Release Date: September 1st, 2006
Physical Description:- Size: 10.5 Inches by 10.75 Inches by 0.25 Inches
- Weight: 0.85 pounds
Features:- Used Book in Good Condition
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By Janet Riehecky
Brand: Childs World Library Binding (32 pages)
| List Price: $21.36* Lowest Used Price: $4.95* In stock Usually ships within 3 to 4 days.* *(As of 03:53 Pacific 18 Mar 2024 More Info)
Click Here | Description: Maiasaura : Dinosaurs Series- Manufacturer: The Childs World Inc
- Brand: Brand: Childs World
- ISBN: 0895655438
- EAN: 9780895655431
Details:- Product Category: Library Binding
- Number of Pages: 32
- Author: Janet Riehecky
Physical Description:- Size: 10.5 Inches by 8.5 Inches by 0.5 Inches
- Weight: 0.6 pounds
Features:- Used Book in Good Condition
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By Duncan Searl
Bearport Publishing Released: August 1st, 2006 Library Binding (32 pages)
| List Price: $29.95* Lowest Used Price: $8.66* In Stock* *(As of 03:53 Pacific 18 Mar 2024 More Info)
Click Here | Description: The Maiasaura Nests: Jack Horner's Dinosaur Eggs (Fossil Hunters)- Manufacturer: Bearport Books
- Brand: Bearport Publishing
- ISBN: 1597162574
- EAN: 9781597162579
Details:- Product Category: Library Binding
- Format: Illustrated
- Edition: Illustrated
- Number of Pages: 32
- Author: Duncan Searl
- Publication Date: August 1st, 2006
- Release Date: August 1st, 2006
Physical Description:- Size: 10.25 Inches by 8.25 Inches by 0.5 Inches
- Weight: 0.7 pounds
Features:- Used Book in Good Condition
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By Elizabeth J. Sandell & Harlan S. Hansen
Bancroft Sage Pub Released: January 1st, 1989 Hardcover (31 pages)
| Lowest Used Price: $33.32* In Stock* *(As of 03:53 Pacific 18 Mar 2024 More Info)
Click Here | Description: Maiasaura: The Good Mother Dinosaur (Dinosaur Discovery Era)- Manufacturer: Bancroft Sage Pub
- ISBN: 094428017X
- EAN: 9780944280171
Details:- Hardcover
- Number of Pages: 31
- Authors: Elizabeth J. Sandell, Marjorie L. Oelerich, Harlan S. Hansen, Vista III Design
- Publication Date: January 1st, 1989
- Release Date: January 1st, 1989
Physical Description:- Size: 12.25 Inches by 9.25 Inches by 0.25 Inches
- Weight: 1.05 pounds
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By Virginia Schomp
Cavendish Square Publishing Released: January 30th, 2005 Library Binding (31 pages)
| List Price: $32.64* Lowest New Price: $19.42* In Stock* *(As of 03:53 Pacific 18 Mar 2024 More Info)
Click Here | Description: Maiasaura: And Other Duck-Billed Plant-Eaters (Prehistoric World)- Manufacturer: Cavendish Square Publishing
- Brand: Cavendish Square Publishing
- ISBN: 0761415459
- EAN: 9780761415459
Details:- Product Category: Library Binding
- Edition: Illustrated
- Number of Pages: 31
- Author: Virginia Schomp
- Publication Date: January 30th, 2005
- Release Date: January 30th, 2005
Physical Description:- Size: 10.24 Inches by 10.14 Inches by 0.43 Inches
- Weight: 0.94 pounds
Features:- Used Book in Good Condition
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By Daniel Cohen
Brand: Bridgestone Books Library Binding (24 pages)
| List Price: $23.32* Lowest Used Price: $4.95* In stock Usually ships within 3 to 4 days.* *(As of 03:53 Pacific 18 Mar 2024 More Info)
Click Here | Description: Maiasaura (Discovering Dinosaurs)- Manufacturer: Bridgestone Books
- Brand: Brand: Bridgestone Books
- ISBN: 0736825223
- EAN: 9780736825221
Details:- Product Category: Library Binding
- Number of Pages: 24
- Author: Daniel Cohen
Physical Description:- Size: 8.0 Inches by 8.0 Inches by 0.25 Inches
- Weight: 0.45 pounds
Features:- Used Book in Good Condition
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Maiasaura Toys Here are some toys/games from Amazon.com:
Disclosure: Products details and descriptions provided by Amazon.com. Our company may receive a payment if you purchase products from them after following a link from this website.
WERNNSAI Pink Dinosaur B Toy
| Lowest New Price: $7.99 ($0.40 / Count)* In Stock* *(As of 03:53 Pacific 18 Mar 2024 More Info)
Click Here | Description: Girls Dinosaur Party Hanging Swirl - 20 PCS Dino Birthday Party Decorations for Kids Baby Shower Dinosaur Themed Party Supplies Hanging Whirls Spiral Streamer Ceiling Decor- Manufacturer: WERNNSAI
- Brand: WERNNSAI
- Model: WR-Dinosaur Hanging Swirl-B001-US
- PartNumber: WR-Dinosaur Hanging Swirl-B001-US
Details:Physical Description:- Size: 0.1 inches by 0.1 inches by 0.1 inches
- Weight: 0.1 pounds
- Color: Pink Dinosaur B
Features:- UNIQUE DESIGN: Exclusively designed 5 different styles of dinosaur hanging swirls with bright colors, wonderful Dino themed parties decorations, make your party colorful and attractive!
- DINO PARTY SUPPLIES: A great addition to the dinosaur themed parties. Fit for birthday parties, girls’ parties, baby shower parties, any other celebrations.
- REUSABLE USE: Made of eco-friendly cardboard and PVC plastic, sturdy, durable and can be reused for many times. Advanced printing technology with bright colors.
- EASY ASSEMBLED: Easy to hang up or takedown, easily to hang anywhere you like by using the hook, such as windows, ceilings, doorways, balconies, branches in the backyard and so on.
- PACKAGE INCLUDE: 20PCS dinosaur hanging swirl: 4x Brontosaurus, 4x Maiasaura, 4x Triceratops, 4x Tyrannosaurus, 4x Pterodactyl.
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YouCute
| Lowest New Price: $14.99* In Stock* *(As of 03:53 Pacific 18 Mar 2024 More Info)
Click Here | Description: 8 Safari Animal Figures Toys Jungle Animals for Boys Realistic Play Zoo Gift for Toddlers Boys Girls Toddlers Kids- Manufacturer: YouCute
- Brand: YouCute
- PartNumber: 602A
Physical Description:- Weight: 0.72973008722 pounds
- Color: Brown
Features:- Animal type: Including Lion,Tiger,Bison,Brown Bear,Panda,Wolf,Hippo,Kangaroo.
- Great Gift:This animal toys set is great for zoo theme party, school classrooms rewards,prize, Christmas gift,or party supplie.could be a great gift for any occasion.
- High Quality:Animal figures toys are made of high quality durable plastic.Meet US toy standard.this is designed for kids.
- Learning Educational toys: They're also the great pretend play props , creative the kids thinking and active cognitive learning through imaginative play.animal toys can also make away your kids from electronics.
- Packing include:8 animals ,1 animal book,1 gift box.
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Li'l-Gen Toy
| List Price: $28.99* Lowest New Price: $20.99* In Stock* *(As of 03:53 Pacific 18 Mar 2024 More Info)
Click Here | Description: Li'l-Gen Dinosaur Toys for Kids 3-5 - Interactive Dinosaur Sound Book w/Realistic Roars & 12 Large Dinosaur Toys (7") - Interactive Set of Dino Toys for Kids 3+, Toy Dinosaurs for Toddlers (No Mat)- Manufacturer: Li'l-Gen
- Brand: Li'l-Gen
- Model: LGDSV
- UPC: 853042008097
- EAN: 0853042008097
- PartNumber: LGDSV
Details:- Product Category: Toy
- Edition: First Edition
Physical Description:- Weight: 2.59925006898 Pounds
Features:- WHAT’S INCLUDED - 12 dinosaur toy figures and 1 dinosaur sound book
- KIDS DINOSAUR TOYS - Through these dinosaur toys, your kids will experience the era of the dinosaurs! Let them play with these realistic dinosaur toys, discover sounds from dino toys like this set, and see the earth as it once was through their eyes! These dinosaur toys for kids 3-5 will surely spark their curiosity about the dinosaur world.
- EDUCATIONAL & FUN - Playtime provides a lot of learning, especially as your kids familiarize themselves with 12 of the enormous dinosaurs and their natural cries. Read the accompanying story in the dinosaur book or let them make one on their own. Learning sure is fun with this pack of dinosaurs toys!
- INCLUDES BOOK WITH SOUNDS - Be fully immersed with this dinosaur set with sound book as you listen to the sounds of dinosaurs. Each button in the book has an image of one type of dinosaur. Press it to hear the roar it made. Careful, they might be in your midst! This realistic dinosaur pack figures set is the perfect dinosaur toys for kids who love dinosaurs!
- THE LI’L-GEN PROMISE - We know that early childhood development and enjoyment go hand in hand. That's why we strive to make products that will stimulate the imagination, develop early childhood tools, and educate young minds, all while still being tons of fun! We make sure that you or your loved ones are 100% satisfied with your purchase!
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PREXTEX Multi_color Toy
| List Price: $34.99* Lowest New Price: $29.99* In Stock* *(As of 03:53 Pacific 18 Mar 2024 More Info)
Click Here | Description: Prextex Plush Dinosaur Stuffed Animal, 4pk, 10'' Cute Dinosaur Plush Toys for Boys & Girls Ages 3+, Stuffed Dinosaurs for Boys, Soft Dino Plush Stuffed Animals Dinosaur Party Favors, Stuffed Dinosaur- Manufacturer: Prextex
- Brand: PREXTEX
- Model: GDL7005
- UPC: 851078007572
- EAN: 0851078007572
- PartNumber: 43224-14241
Details:Physical Description:- Size: 7.0 Inches by 8.0 Inches by 6.0 Inches
- Weight: 0.4375 pounds
- Color: Multi_color
Features:- SOFT & HUGGABLE DINOSAUR PLUSHIES - Give your child an adorable assortment of dinosaur stuffed animal. This will be your child's favorite new plush toy to play around, hug, and sleep with!
- COLORFUL DINOSAUR ASSORTMENT -This dinosaur stuffed animals for boys and girls set includes 4 dinosaur plushies of different colors and species (1 tyrannosaurus rex, 1 triceratops, 1 brachiosaurus, and 1 stegosaurus), each measuring 10" long.
- MACHINE WASHABLE - These stuffed dinosaur plushies are machine washable, making them easy to clean after hours of play with your little one.
- HIGH QUALITY & KID SAFE - These stuffed animal dinosaurs are made of non-toxic materials and beautiful colored fabric with high-quality details.
- PERFECT GIFT FOR ALL AGES - Don't look any further for birthday party gifts, or dinosaur-themed party supplies. Our dinosaur plush toy will be the best gift for you dino lover!
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3 Bees & Me Multi-color Toy
| List Price: $24.99* Lowest New Price: $14.95* In Stock* *(As of 03:53 Pacific 18 Mar 2024 More Info)
Click Here | Description: 3 Bees & Me Fun Dinosaur Toys for Kids 3-5, 5-7, 8-12 - 12 Large Dino Toy Figures with Storage Box Case - 6 inch Dinosaurs - Dinosaur Toys for Boys, Girls, Toddlers for Imaginative Play- Manufacturer: 3 Bees and Me
- Brand: 3 Bees & Me
- Model: 761780307528
- UPC: 761780307528
- EAN: 0761780307528
- PartNumber: 761780307528
Details:Physical Description:- Size: 7.0 inches by 9.75 inches by 3.0 inches
- Weight: 1.2 Pounds
- Color: Multi-color
Features:- Toy Dinosaurs Boys and Girls Love - Searching for a cool birthday party, Christmas or just because gift for that special girl or boy age 3 year old and up? Kids play with this popular dino set for days not just minutes like with some gifts
- Best Value Dinosaur Gift - while most jurassic toy sets just come with the action figures our set comes with a storage box AND fun facts making it a super and affordable value gift; a jurassic toy set you can give with peace of mind.
- Fun and Educational Dinosaur Toys - T-rex, Spinosaurus, Triceratops ... oh my! With 12 of the best big jumbo prehistoric dinasours as well as Names and Fun Facts about each, this real looking dinosaur toy collection pack can ignite your child's love of science and learning.
- Unique Metal Storage Box Makes Play More Fun - unlike other toy playsets that come with just the dinos or a cheap plastic bucket tub that tears our storage carrying case is durable metal which makes play more fun for kids and easy cleanup that Moms like!
- Discover the Fun World of Dinosaurs - with our premium toy dinosaur figure multipack sets! Packed with 12 realistic and detailed dinosaur figurines, this set will ignite your child's imagination and provide hours of thrilling prehistoric play.
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Schleich Multi Toy
| List Price: $19.99* Lowest New Price: $13.49* In Stock* *(As of 03:53 Pacific 18 Mar 2024 More Info)
Click Here | Description: Schleich Dinosaurs Realistic Amargasaurus Figurine with Spiky Back - Authentic and Highly Detailed Prehistoric Jurassic Dino Toy, Highly Durable for Education and Fun for Boys and Girls, Ages 4+- Manufacturer: Schleich
- Brand: Schleich
- Model: 15029
- EAN: 4059433363899
- PartNumber: 15029
Details:Physical Description:- Size: 3.7 inches by 10.3 inches by 10.3 inches
- Weight: 0.38 Pounds
- Color: Multi
Features:- GIGANTIC PLAYTIME WITH LEGENDARY TOYS - Crafted with precision and authentic details to create a lifelike toy that helps introduce and educate children on the exciting Jurassic world of dinosaurs. The Amargasaurus giant lived in modern-day South America 130-123 million years ago.
- A TRULY POWERFUL PLAYING EXPERIENCE - The Amargasaurus, a carefully designed toy from Schleich, encourages safe and creative pretend play for children, either as a standalone toy or part of a larger dinosaur collection.
- GIVE CHILDREN THE GIFT OF MAGIC AND WONDER - Our characters come in a million gazillion shapes, sizes, and colors. Whether they have two legs, four legs, or no legs, they have one thing in common – every toy in our collection is authentic, detailed and high quality.
- GENERATIONS OF IMAGINATION FOR KIDS OF ALL AGES - Long-lasting, super durable and highly detailed toys from Schleich are the perfect way to ignite your child's imagination and fun. With a huge catalog of fairies, monsters, characters, dinosaurs and animals across a variety of playsets and figurines, you can be sure that your child will experience all the magic and wonder of childhood while making memories for years to come.
- WHERE STORIES BEGIN - Our characters come in a million gazillion shapes, sizes, and colors. Whether they have two legs, four legs, or no legs, they have one thing in common – every toy in our collection is authentic, detailed and high quality.
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Gemini&Genius Iguanodon Toy
| List Price: $14.99* Lowest New Price: $12.99* In Stock* *(As of 03:53 Pacific 18 Mar 2024 More Info)
Click Here | Description: Gemini & Genius Dinosaurs Action Figure Early Science Education and Collection Dino World Model Storytelling, Birthday Cake Topper, Role Playing,Collection Dinos for Kids (Iguanodon)- Manufacturer: Shenzhen Gemini Technology LTD.
- Brand: Gemini&Genius
- Model: Dinosaur Figure
- UPC: 736067800177
- EAN: 0736067800177
- PartNumber: Dinosaur Figure
Details:Physical Description:Features:- ?Realistic Dinosaur Figures?All of our dinosaur figures are lovingly hand-painted with detailed modelling, movable jaw with teeth and strong limbs with delicate nails, allow children to learn as they play.
- ?Safety and Durability?Our dinosaur toys are made of safe, non-toxic and environmentally friendly materials, which are not easy to fade and deform, and can be used for a long time to accompany children throughout their childhood.
- ?Best Gift Ideas?Kids of all ages who have an interest in collecting all kinds of dinosaurs for celebrating their Birthday, New year, Christmas and Halloween which brings them hands-on fun to children at the same time also increase more knowledge.
- ?Education Significance?Kids can explore the adventurous world of wildlife with this wild animals toy pack. To learn about dinosaurs is to learn about history, about the Earth's past.
- ?Dinosaurs From Movies?The mouth is openable which enable kids to play the biting games in a very reality scenery, it is a prototype from the movie Park and it is adored by its fans all over the world, We used the most advanced technology to reconstruct the claws, teeth and dorsal fin.
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Axbotoy Unknown Binding
| Lowest New Price: $20.95* In Stock* *(As of 03:53 Pacific 18 Mar 2024 More Info)
Click Here | Description: 10 Pack Shark Toys,8" Soft and Stretchy Realistic Shark Toy Set,Floating Bathtub Toys and Birthday Party Favors for Boys Girls Kids- Manufacturer: Axbotoy
- Brand: Axbotoy
- Model: W6328
- UPC: 795501457230
- EAN: 0795501457230
- PartNumber: W6328
Details:- Product Category: Unknown Binding
Features:- 10 PACK SHARKS.Each set includes 10 different species of sharks:great white shark, hammerhead shark, bull shark,spiraltooth shark,leopard shark,etc.Features realistic details and lifelike colors. No child can refuse them.
- BATH TOYS.Soft touch, no sharp edges, floatable and stretchy, these sharks bring happy bathing time to children.
- SAFETY MATERIAL.These ocean animals are made of rubber, which is safe, soft and environmentally friendly. The quality of toys is strictly monitored.It has passed ASTM, CPSIA, EN71,ect.
- PARTY FAVORS.These sharks are great for birthdays,ocean theme party,chrismas, etc.
- PREMIUM SERVICE.Full refund within 30 days if for whatever reason you are not 100% satisfied with the product.
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SIENON
| Lowest New Price: $14.99* In Stock* *(As of 03:53 Pacific 18 Mar 2024 More Info)
Click Here | Description: SIENON 12pcs Safari Animals Figure Toys with Flash Cards, 3.5” Realistic Wild Zoo Animals Figurines Plastic Jungle Animals with Elephant Lion Giraffe Bear Gorilla Educational Learning Playset for Kids- Manufacturer: SIENON
- Brand: SIENON
- PartNumber: SN134-2
Physical Description:- Size: 0.8 Inches by 3.9 Inches by 3.9 inches
- Weight: 0.661386786 pounds
- Color: 12pack
Features:- ?Realistic Safari Animal Figures with Flash Cards?-12pcs plastic jungle animals Wildlife Animals with vibrant colors, natural appearance, active poses, each figure is finely hand painted and sculpted by experts. The animal figurines playset includes Elephant, Giraffe, Lion, Gorilla, Brown Bear, Rhinoceros, Hippo, Buffalo, Polar Bear, Wild Dog, Monkey. Each animal can stand very well. The animal model toy set has 12 matching flash cards, which can help children to learn animals better.
- ?Premium Quality & Medium Size?- The animal figures toy set is made of high-quality, durable plastic, BPA-Free resin and coating, with ASTM, CPSIA, EN71, RoHS approval, is durable and washable, very safe to use. Their uniquely molded textures and richly painted details make forest animals vivid. You can use them as cake toppers, cupcake toppers and bath toys. The size of miniature animal figurines measure about 2-3.5 inches.
- ?Multiple Usage?-The forest animal figurines set is true-to-life detail, vivid colors and active poses, these models are designed for teachers, children, collectors, animal lovers and pastry cook. These animal figurines can not only be early education tools but also perfect for jungle animal party decorations, cake topper, cupcake toppers, harvest thanksgiving party decorations, etc. Animal figures also can be put in the pool or bath tub for child to enjoy bathtub time!
- ?Early Education Tool?- These plastic wildlife animals toy set is great to pretend play props, enhancing animals vocabulary, language skills, creative thinking and active cognitive learning through imaginative play. It also can make away your kids from electronics which can protect their eyesight, help to expand kids visions and develop their imagination while enjoying your family time.
- ?Great Gift Idea & Worry-free Service?-This safari animals toys are great for birthday, Christmas, new year, thanksgiving and other holidays, board game design, school classrooms rewards/prize, school projects or party supplies, miniature Christmas thanksgiving decorations. ? We believe you will love our products as much as we do! But if for some reasons you don’t satisfy, we will full refund. And any problems, please do not hesitate to contact us.
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