Features: 1.Function: Automatic forward, tail / wings / mouth / front feet, transmission simulation action. 2.Science and Technology Education:Cultivate various abilities of children's growth process. Exercise the children's ability to seek knowledge, exploration, innovation; independent thinking, hands and brains to solve problems. 3.Understand the interplay and interaction of mechanical transmission structures; understand the principles of motion mechanics and the transforming effect of power. 4.Understand the generation and interaction of physical and mechanical power, electricity, and mutual conversion to enhance children's understanding and exploration of physics, mechanical power and other aspects from childhood.Understand the principle of mechanical transmission, and develop children's ability to explore science and technology. 5.Customer Service: With customer satisfaction as our first priority, we offer a satisfaction service for all of our merchandise. If you have any problems, please contact us in time. We will give you replies as soon as possible. Specifications: Package:Color Box Product Size:28*26*14cm Material:Plastic Weight:about 0.5kg Power:1*1.5V AAA battery(Not Included) Notes: 1.Due to the effects of light and shooting angle, the actual color of the item may differ slightly from the color shown on the picture. 2.Due to manual measurement,please allow 1-3cm measuring deviation.Thank you for understanding includes: 1*Dinosaur-Shaped Electric Toy(Manual Assembly Required)