Description_x005F_x000D__x005F_x000D_Are you looking for a creative intelligence toy for your kids? This worm crawling robot kit will be your best choice. This product is a manual assembly model for childrern and students which can assembly themselves. It is excellent for developmental skills and learning minds. It is a good gift for kids. Also a experiment and teaching model for classroom._x005F_x000D__x005F_x000D__x005F_x000D_Features_x005F_x000D__x005F_x000D_- Color: As shown._x005F_x000D_- Material: Wood and metal._x005F_x000D_- Size: Approx. 18 x 5.5 x 6cm._x005F_x000D_- Battery: 2 x AA Battery(Not Included)._x005F_x000D_- Made of material, not easy to damage._x005F_x000D_- Manual assembly model, greatly improve kids hands-on skills and children& 39;s imagination and operation ability._x005F_x000D_- It is a good gift for kids and students._x005F_x000D_- Also a experiment and teaching model toy._x005F_x000D_- Creative intelligence model toy, kids can learn about science technology and physics experiments.Packing list1 x kids toy