K'NEXOSAURUS: The K'NEXosaurus Building Set offers you and your children a chance to experience the amazing world of dinosaurs by creating your own and watching it come to life with the battery powered motor. MOTORISED: The K’NEX Beasts Alive Building Set also includes a battery-powered motor to operate the structures. Watch your dinosaurs come to life! 255 PIECES! Build a K'NEXosaurus Rex with the 255 vibrant parts and pieces included in this set. All parts are well-constructed plastic. The package also includes iconic rods and connectors that snap together to make customizable figures. 2 MODELS: Children can also make alternative structures with this set. It includes an additional model for a Megasaurus dinosaur. Take apart your dinosaur and make another! DOWNLOAD: This model building set also has downloadable step-by-step instructions for two motorized builds. Each STEAM / STEM learning toy your kids can make is designed for a more exciting playtime., Manufacturer: K'NEX