1、1. This dinosaur building toy is interesting and creative. It can exercise your child’s problem-solving ability and bring fun to your child. Your child will love this building toy. 2、2. This dinosaur building toy is made of ABS. It can help children understand the mutual cooperation and interaction of mechanical transmission structure; understand the kinematics movement principle and power conversion. 3、3. The assembly instructions of the dinosaur toy are enclosed in the box. The building blocks are divided into 4 dinosaur plates and a dinosaur movement unit. (Reminder: Due to logistics reasons, the package does not contain batteries) 4、4. After the mechanical Tyrannosaurus rex is successfully assembled, please use 1*AAA battery, turn on the switch, and move automatically. 5、5. It is suitable for the early development of children. This dinosaur building toy is conducive to children's understanding of the physical and mechanical forces, the generation and interaction of electricity, and the mutual conversion, so as to enhance the children's understanding and exploration of all aspects of physical and mechanical forces from an early age. Name: Dinosaur Electric Assembled Toys Material: ABS Battery: 1 x 1.5V AAA battery (not included) Features: automatic, movable joints, lifelike 1 Set*Dinosaur Plastic Parts 1*Electric module 6*Small accessories 1*Instruction