Dinosaurs roar and stomp with the motion-activated sound brick</br>Packed with 326 parts?? including K'Nex bricks plus rods and connectors to build lots of models</br>Handy storage container for easy clean-up and portability</br>Instructions and building ideas included for 20 unique models</br>Use your imagination to create your own dinosaur</br></br>Product Description</br></br>Build Dinosaurs that roar and stomp! The KNEX Dinosaurs 20 Model Building Set is packed with 326 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 into a handy storage container for easy clean-up and portability.</br><br/>http://www.amazon.com/gp/product/B001ULCSDA