Chomping Mechanical Dinosaur Costume


5 and up

Learn about hinges, rotary motion, and fossil detective work when you build a spikey t-rex head and engineer a fierce felt jaw that snaps shuts with the pull of a string! This costume kit contains everything you need to make a mechanical dinosaur costume with matching dino claws!


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Craft a mechanical dinosaur costume — featuring a dinosaur mask with a chomping jaw (that snaps shut with the pull of a cord) and matching claws. Then learn about hinges, rotary motion, and fossil detective work. Harness the power of hinges and roar-tation (er, rotation) to craft a big green dinosaur mask with a chomping jaw. Discover the strong but simple science behind hinges and how they cause the dino jaw to clamp up when you pull the cords down. Then learn about the hardest biter in the animal kingdom. (Hint: it’s not a dino!) This unique dinosaur costume inspires kids to learn about paleontology! Read about the dinosaur detective work that paleontologists do and how they use fossilized remains to figure out what dinos were like — from the size of their jaws to the sharpness of their teeth.


Decorate the head with felt spikes and teeth, put on a set of felt claws, and get ready to roar!


Mechanical dinosaur head

Use the power of hinges and rotation to craft a big, green dinosaur head costume with a chomping jaw.


Dinosaur claws

This crate comes with a mechanical dinosaur costume head and matching dino claws.


Inspiration booklet

Get kid-friendly materials, easy-to-follow instructions, and everything else you need inside the crate!


Package Dimensions

11.02 x 7.28 x 3.43 inches; 13.76 Ounces



KiwiCo's Story

KiwiCo believes that creative confidence helps kids think BIG and act like creators and producers instead of just consumers. KiwiCo was created to celebrate kids’ natural creativity and curiosity, while helping parents who want to bring enriching experiences to their children. KiwiCo wants to make it fun, easy, and delightful for families to spend time building, exploring and creating together.

Learn more!

Take a closer look at the Chomping Mechanical Dinosaur Costume with this unboxing video.


Watch the construction of a fully functional dinosaur costume!


Learn all about Dinosaurs with National Geographics Kids.


Watch all about Dinosaurs video with National Geographic Kids.

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