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Flexible double helix
practicing
eyes and two buildable figures
Easy-to-follow step-by-step building instructions
K'NEX Dinosaur 20+ Model Building Set Special offers Flexible double helixBuild Dinosaurs that Roar and Stomp! The K'NEX Dinosaurs 20 Model Building Set is packed with 334 Micro K'NEX and K'NEX brick parts to build a T Rex, Brontosaurus, Pterodactyl and more. Then bring them to life with the motion activated sound brick. Instructions and building ideas are included for over 20 different dinosaur models, ranging from beginner to more challenging. Or, use your imagination and create your own dinosaur! All the parts are packed