This worm robot DIY kit is a great way to cultivate children's hands-on ability and scientific thinking. By assembling the parts themselves, children can learn about the principles of mechanics and engineering while having fun. The kit is designed to be easy to use and suitable for children of all ages. Features -Color:Multi -Material:Wood and abs -Size:10.00X10.00X3.00cm/3.93X3.93X1.18in -The battery-powered motor allows for easy movement of the diy science toy. -With two motor shafts, the driving of the robot is efficient and effective. -The belt pulley system ensures smooth movement of the robot. -The parts of the robot are easy to assemble, making it a great educational tool for children. -This science experiment kit is suitable for use in both schools and homes, providing a fun and engaging way to learn about robotics. Package list: 5 x set of DIY Robot Worm Electronic Kit