Features: 1It is composed of car body, axle, wheel and so on. It has exquisite workmanship and excellent quality. It can be used as laboratory auxiliary tools. 2The car can be placed side by side at the high end of the ramp, releasing the car to slide, and observing the speed of the car movement. 3In the course of the experiment, students can explore other related properties and rules of moving objects according to the content of the textbook. 4Made of high-quality plastic material, it is durable, wear-resistant and fall-resistant, and can be used for a long time. 5This laboratory car can effectively help students understand the basic laws of object movement and promote the development of students'practical ability. Condition: 100% Brand New Item Type: Physics Laboratory Car Material: Plastic Usage method: 1. Put the car side by side at the high end of the ramp, release the car to slide, and observe the speed of the car movement. 2. Students can explore other related properties and rules of moving objects according to the content of the textbook. 3. The instrument should be placed in a cool, dry, non-corrosive gas place. Do not press and collide to avoid damage. Package included:1 x Physics Laboratory Car1 x Instruction Manual