Features: It requires two AA batteries and batteries are not included. The structure is firm and the design is exquisite. Easy to install even for beginners. It can be used on students' scientific experiment. With a switch, it can be turned on/off at will. This is a set of light, portable, durable car kit. Specification: Material: ABS Color: Shown As Pictures Package Size: Approx. 12 * 8.5cm / 4.72 * 3.35inch Battery: 2 * AA Battery (Not Included) Weight: 72g Type: Assembly Toy Package List: 1 * Main Part 1 * Set of Axle 1 * Set of Wheel 1 * Propeller 1 * Set of Wire 1 * Cell Box 1 * Motor Note: The color is at random. 1It requires two AA batteries and batteries are not included. 2The structure is firm and the design is exquisite. 3Easy to install even for beginners. It can be used on students' scientific experiment. 4With a switch, it can be turned on/off at will. 5This is a set of light, portable, durable car kit