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Maiasaura
Click here for more Maiasaura Pictures
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:
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By Susan Heinrichs Gray
Brand: Child's World
Library Binding (24 pages)
 | List Price: $27.07*
Lowest Used Price: $8.22*
In Stock.*
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Click Here | Description:
Maiasaura (Introducing Dinosaurs)- Manufacturer: Childs World Inc
- Brand: Brand: Child's World
- ISBN: 1602532397
- EAN: 9781602532397
Details:- Product Category: Library Binding
- Edition: Illustrated
- Number of Pages: 24
- Author: Susan Heinrichs Gray
Physical Description:- Size: 8.5 Inches by 9.5 Inches by 0.25 Inches
- Weight: 0.57099725858 Pounds
Features:- Used Book in Good Condition
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By Janet Riehecky
Brand: Childs World
Released: December 1st, 1989
Library Binding (32 pages)
 | List Price: $21.36*
Lowest Used Price: $5.90*
In Stock.*
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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
- Publication Date: December 1st, 1989
- Release Date: December 1st, 1989
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 Dougal Dixon
Brand: Picture Window Books
Released: September 1st, 2006
Library Binding (24 pages)
 | List Price: $26.65*
Lowest Used Price: $6.48*
In Stock.*
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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: 9.9999999898 Inches by 9.9999999898 Inches by 0.25196850368 Inches
- Weight: 0.76 Pounds
Features:- Used Book in Good Condition
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By Duncan Searl
Bearport Publishing
Released: August 1st, 2006
Library Binding (32 pages)
 | Lowest New Price: $28.50*
Usually ships within 6 to 10 days.*
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The Maiasaura Nests: Jack Horner's Dinosaur Eggs (Fossil Hunters)- Manufacturer: Bearport Publishing
- 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: 10.18 Inches by 8.18 Inches by 0.34 Inches
- Weight: 0.7 Pounds
Features:- Used Book in Good Condition
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By Sarah Eason
Bear Claw
Released: January 1st, 2022
Paperback (24 pages)
 | Lowest New Price: $7.99*
Available to ship in 1-2 days.*
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A Nest of Bones: Maiasaura Discovery (Fossils Uncovered!)- Manufacturer: Bear Claw
- ISBN: 1636913423
- EAN: 9781636913421
Details:- Paperback
- Number of Pages: 24
- Author: Sarah Eason
- Publication Date: January 1st, 2022
- Release Date: January 1st, 2022
Physical Description:- Size: 8.74 Inches by 6.14 Inches by 0.16 Inches
- Weight: 0.2 Pounds
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By Daniel Cohen
Capstone Press
Released: September 1st, 2000
Paperback (24 pages)
 | Lowest Used Price: $6.77*
In Stock.*
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Maiasaura (Discovering Dinosaurs)- Manufacturer: Capstone Press
- ISBN: 0736856897
- EAN: 9780736856898
Details:- Paperback
- Number of Pages: 24
- Author: Daniel Cohen
- Publication Date: September 1st, 2000
- Release Date: September 1st, 2000
Physical Description:- Size: 7.99999999184 Inches by 8.12598424368 Inches by 0.06299212592 Inches
- Weight: 0.15 Pounds
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Maiasaura Toys
Here are some toys/games from Amazon.com:
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Flormoon
 | Lowest New Price: $18.34*
In Stock.*
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FLORMOON Dinosaur Toy - Realistic Maiasaura Animals Figure - Early Educational Toys Science Project Christmas Birthday for Boys and Girls- Manufacturer: FLORMOON
- Brand: Flormoon
- Model: 530
- UPC: 763944126792
- EAN: 0763944126792
- PartNumber: 530
Features:- Safety Material - Animal Figurines made of durable Eco-friendly plastic material, BPA Free, Phthalates Free and Non-Toxic. Conforms to Releated Toy Safety Standards. Safety always comes first.
- Realistic Animal Figures - Our Animal figurines was hand painted with high realistically detailed appearance, cute face and childish eyes. Their uniquely molded textures and richly painted details make the animals vivid.
- Imaginative Play - The Realistic animals Figure palyset will spark hours of imaginative play. Make away your kids from electronics and let your child's imagination run wild as they create imaginary interactions with African wild animals figurines toys.
- Great Fift for Children - The animal figurines toys are great for stocking stuffers, Christmas party favors, holidays, birthday party games, educational purposes, learning Playset toys, party decoration, party favors or rewards. Ideal party or birthday gifts supplies set for a jungle animals world themed.
- Long-term Warranty - We have a no hassle 108% guarantee refund policy. If you get the play animal figures set and do not love them, simply return for a full refund. Just Add to your cart now!
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Jet Creations
Multicolor Toy
 | Lowest New Price: $19.95*
In Stock.*
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Inflatable Pteranodon Dinosaur, 57" WingSpan- Manufacturer: Jet Creations
- Brand: Jet Creations
- Model: DI-PTE
- UPCs: 894680000326, 799861267324, 811255020305, 885672764982
- EANs: 0799861267324, 0894680000326, 0811255020305, 0885672764982
- PartNumber: DI-PTE
Details:- Product Category: Toy
- Edition: Standard Edition
Physical Description:- Size: 8.0 Inches by 25.0 Inches by 57.0 Inches
- Weight: 0.31 Pounds
- Color: Multicolor
Features:- Pteranodon dinosaur model
- Giant inflatable dinosaur
- Available in 62-inches height
- Elementary grade level
- Featuring 4 color printing process and superior construction
- Makes a captivating display and is sure to turn heads for people to ask, "Is that real?"
- The package includes a repair kit for any punctures or holes
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TEMI
Figure W Toy
 | List Price: $32.99*
Lowest New Price: $19.99*
In Stock.*
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TEMI Dinosaur Toys for Kids 3-5 with Activity Play Mat & Trees, Educational Realistic Dinosaur Play Set to Create a Dino World Including T-Rex, Triceratops, Velociraptor, Great Gift for Boys & Girls- Manufacturer: TEMI
- Brand: TEMI
- Model: B07MYTBV6N
- UPCs: 722020891856, 742484902318
- EANs: 0722020891856, 0742484902318
- PartNumber: S500-28
Details:Physical Description:- Size: 4.7 Inches by 9.7 Inches by 7.6 Inches
- Weight: 1.8 Pounds
- Color: Figure W
Features:- JURASSIC ADVENTUROUS JOURNEY - Are you concerned about your kid getting addicted to gadgets? Give them the chance to spend long hours exploring the dinosaur world. This is a complete set of 9 dinosaur figures, as well as a compelling Dino Park mat that can hone their exploration skills to these prehistoric creatures.
- ULTIMATE REALISTIC DINOSAURS – This interactive dino playset includes Tyrannosaurus Rex, Giganotosaurus, Therizinosaurus, Stegosaurus, Triceratops, Velociraptor, Acrocanthosaurus, Brachiosaurus, Dimetrodon in total 9 dinosaurs. Made of durable PVC, plus hand-painted craft makes them more durable and realistic. LARGE dinosaur figures of all types ensure safety for kids, eliminating choking.
- ACTIVITY PLAY MAT –Compare with competition, our rug is made of soft non-woven fabrics texture instead of thin PVC. This carpet shows us an interesting cartoon dinosaur park with a bright color. It is large enough for 2 to 4 players to spend the quality time together. Activity mat dimension: 31.5" x 27.6".
- EDUCATION & DEVELOPMENT PLAY SET - The realistic dinosaur figures will spark hours of imaginative play. Make your kids away from electronics and let your child's imagination run. It is an excellent educational toy that will teach your children cooperation with their friends or will keep them creatively entertained in their own room!
- NEVER GO WRONG AS A GIFT - All dinosaurs can be stored in one study carrying case with a handle. It is perfect for birthday gift, Christmas, holiday or impulse gift. Meantime, it can be played at home, outdoors or as part of a science project at school. The vibrant colors, the great attention to detail and the realistic moves make this dinosaur play set will be your first choice of gift to a dino enthusiast.
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Dan&Darci
Toy
 | List Price: $24.99*
Lowest New Price: $19.99*
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Dig a Dozen Dino Egg Dig Kit - Easter Egg Dinosaur Toys for Kids - Dig up 12 Eggs & Discover Surprise Dinosaurs. Science STEM Activities - Educational Gifts for Boys & Girls Age 3-5 5-7 8-12 Year Old- Manufacturer: Dan&Darci
- Brand: Dan&Darci
- Model: SG_B07H9GY33H_VR3
- UPC: 855831008035
- EANs: 6015822652621, 0855831008035, 6015834048092, 6015825720723
- PartNumber: SG_B07H9GY33H_VR3
Details:Physical Description:- Size: 3.99999999592 Inches by 13.99999998572 Inches by 5.511811018 Inches
Features:- Dig up 12 dino eggs & discover 12 unique dinosaur models: Feel like a real paleontologist excavating up unique toy dinosaurs from the dino eggs. Find a T-rex, Dilophosaurus, Ankylosaurus and much more! Once dug up, find the appropriate card describing the history and characteristics of the dinosaur.
- Kit includes: 12 Dino Eggs (with a unique toy dinosaur in each), 12 Chisel/Brushes, 12 Instruction Guides, and 12 full-colored beautiful learning cards - one for each dino. It all comes packaged in a sleek display box. Includes everything needed for the young scientist to excavate the dinos with ease, and gain a deeper understanding of them.
- 12 full-color dinosaur learning cards: Includes 12 beautiful cards, each describing the history of a different dinosaur. After digging up a dino, try to match up the appropriate card to your dinosaur and learn more about it.
- A fun and educational gift for all ages: It's not often that a science project can be fun and engaging, but this kit achieves both! Great set for individual play or as a group activity. It fascinates children as soon as they pull it out of the box and is a perfect STEM project. It fosters a love for science and paleontology in a fun and exciting way.
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Li'l-Gen
Toy
 | List Price: $22.99*
Lowest New Price: $20.99*
In Stock.*
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Li'l-Gen Dinosaur Toys for Kids - Interactive Dinosaur Sound Book with Realistic Dinosaur Roars - 12 Large Dinosaur Toys (7") for Kids and Toddlers - Interactive Set of Dinosaur Toys for Kids 3-5- Manufacturer: Li'l-Gen
- Brand: Li'l-Gen
- Model: LGDSV
- UPC: 853042008097
- EAN: 0853042008097
- PartNumber: LGDSV
Details:- Product Category: Toy
- Edition: First Edition
Features:- KIDS DINOSAUR TOYS: Through this dinosaur toys for toddlers, 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 boys ages 3 and up will surely spark their curiosity about the dinosaur world.
- EDUCATIONAL AND 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. This dinosaur toy collection is the perfect set of dinosaur toys for 3-year old kids and even older. 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 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!
- WHAT’S INCLUDED: (12) Life-Like Dinosaur Toy Figures, (1) Dinosaur Sound Book
- 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 promise to do everything we can to make sure that you or your loved ones are 100% satisfied with your purchase!
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Jet Creations
Multi Toy
 | Lowest New Price: $99.50*
In Stock.*
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Jet Creations Dinosaur Collection Trex Brachiosaurus Triceratops Raptor and other Dinosaurs 7 piece, Size 37+ inch, JC-DINO7, multi- Manufacturer: Jet Creations
- Brand: Jet Creations
- Model: JC-DINO7
- UPC: 811255025706
- EAN: 0811255025706
- PartNumber: JC-DINO7
Details:Physical Description:- Size: 30.0 Inches by 51.0 Inches by 14.0 Inches
- Color: Multi
Features:- Specialty realistic replicas of the Jurassic period dinosaurs including famous T-Rex, brachiosaurs, raptor, and others. Collect entire Jet Creations inflatable dinosaur family All at once!
- Contain Tyrannosaurus Rex, Brachiosaurus or bronto, raptor, Stegosaurus, Triceratops, Spinosaurus, Pteranodon or Pterodactyl. 1 pc each dinosaur
- Size 37 to 57 inch, Please check out the photos or description below for more details
- Target home, party, pool, birthday, gifts, decorations, one of the best party supplies gifts
- Quality full color imprint on phthalate-free vinyl with precision manufacturing process
- Great products! The dinosaurs have been selected as 's choice and as icon of the product category!
- Copyright Jet Creations, all rights reserved
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DIY jr
 | Lowest New Price: $17.99*
In Stock.*
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Click Here | Description:
DIY jr Dinosaur Ice Dig - Educational Dinosaur Dig Kit for Kids - Excavation Kit with Dino Figures, Mold, Tools, Gloves, Storage Bag - Jurassic Play Set for Kids - Birthday Gift for Girls & Boys- Manufacturer: DIY jr
- Brand: DIY jr
- UPC: 850012788713
- EAN: 0850012788713
- PartNumber: Dino-dig-kt
Features:- CREATE YOUR OWN ICE EXCAVATION - Everything you need to make your own dig site is included in our dinosaur dig kit. Simply arrange the dinosaurs in the mold, fill it up with water, then freeze!
- REALISTIC PRETEND PLAY - Experience the thrill of being like a real paleontologist with the dinosaur dig kit. Smash the frozen block of ice and rescue all the trapped dinosaurs inside!
- EXPLORE SCIENCE & HISTORY - Make learning fun and engaging with our excavation kit. It comes with an educational booklet that discusses paleontology and shares interesting dinosaur facts.
- FUN FOR THE WHOLE FAMILY - Discover the world of dinosaurs with our dinosaur excavation kits for kids. It's designed to provide new learning not only for kids age 5 and up but also for parents, too!
- EASY CLEAN UP & STORAGE - Our dinosaur excavation kit comes with a mesh storage bag that conveniently holds all the pieces. When playtime is over, simply place everything in the bag, then store.
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LEGO
Multicolor Accessory
 | Lowest New Price: $11.99*
In Stock.*
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LEGO Creator Mighty Dinosaurs 31058 Build It Yourself Dinosaur Set, Create a Pterodactyl, Triceratops and T Rex Toy (174 Pieces)- Manufacturer: LEGO
- Brand: LEGO
- Model: 31058
- UPCs: 780116971929, 673419206983, 673419206952, 673419266482, 673419206976, 780116961432, 689206284362, 780116969391, 673419206969, 780116964983
- EANs: 0780116964983, 0673419266482, 0673419206952, 0689206284362, 0673419206983, 0780116961432, 7332026093357, 0673419206976, 0780116969391, 0673419206969, 5889332821775, 0780116971929
- PartNumber: 31058
Details:- Product Category: Accessory
Physical Description:- Size: 1.89 Inches by 10.32 Inches by 5.55 Inches
- Weight: 0.5291094288 Pounds
- Color: Multicolor
Features:- Kids will enjoy embarking on dinosaur adventures with this 3-in-1 dinosaur playset that transforms into a Pterodactyl, Triceratops and T Rex Toy Each dinosaur toy will create hours of pretend play for kids
- There are a variety of dinosaur accessories included, such as bright orange eyes, posable joints and head, large claws and an opening mouth with pointed teeth Plus, dinosaur prey that comes in the form of a buildable rib cage
- Your kid can engage in creative play by building multiple green dinosaurs from this set of beige and dark-green bricks
- This LEGO Creator 3-in-1 kids dinosaur toy provides a unique build and play experience in which kids can play with a mix of dinosaur models Ideal for kids ages 7, 8, 9 and older
- This kids dinosaur toy creates a T Rex that measures over 4-inch (11cm) tall, a Triceratops toy that measures over 3-inch (9cm) tall and a Pterodactyl that measures over 1-inch (4cm) high, 7-inch (18cm) long and 9inch (25cm) wide
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Gzsbaby
 | List Price: $39.99*
Lowest New Price: $32.99*
In Stock.*
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Click Here | Description:
Gzsbaby 6 Piece Jumbo Dinosaur Toys for Kids and Toddlers, 13-17 Inches Blue Velociraptor T-Rex, Large Soft Dinosaur Toys Set for Dinosaur Lovers - Perfect Dinosaur Party Favors, Birthday Gifts- Manufacturer: HUIHUAN
- Brand: Gzsbaby
- UPCs: 716963164153, 602773606979
- EANs: 0716963164153, 0602773606979
- PartNumber: 9987
Features:- WHAT'S INSIDE: 13-17 Inches 6 Pcs Jumbo Dinosaur Set includes the following mighty dinosaurs: T-Rex, Pterodactyl, Triceratops, Brachiosaurus,Giganotosaurus and Velociraptor Blue . This jumbo dinosaur set includes realistic, colorful dinosaur figures that are durable and made from high-quality material.
- EDUCATIONAL DINOSAUR FIGURES:Kids will Enjoy Hours of Imaginative Play with These Jumbo Realistic-looking Dinosaurs!Fun and Educational for Both Boys and Girls Alike.Just Right for a School / Dinosaur Science Project or Report.
- REALISTIC-LOOKING WITH DETAILING:Dinosaurs features nice detailing making it perfect for educational displays or in everyday play.Large Sizes Soft Dinosaurs Build a More Realistic Dinosaur Park.
- PERFECT AS GIFT FAVORS: Birthday Party Games, Educational Purposes, Party Decoration, Handouts or Rewards, Chrismas Gifts,New Year Gift. Ideal Party Favor or Gift For a Dinosaur Themed Birthday Party.
- CUSTOMER SATISFACTION. Providing good experience is our main priority to our customers. Feel free to message us through “contact sellers” if products don't meet your expectations.
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