Feature: 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. Specification: Name: Dinosaur Electric Assembled ToysMaterial: ABSBattery: 1 x 1.5V AAA battery (not included)Features: automatic, movable joints, lifelike Package List: 1 Set*Dinosaur Plastic Parts1*Electric module6*Small accessories1*Instruction Note: Due to the difference in lighting and screen settings, the color of the product may be slightly different from the picture.Due to different manual measurements, please allow slight size differences.