Description This is a wireless four-wheel car model toy, can remotely move forward and backward. It involves multiple principles of circuit, power, physical change, and radio.This is also a small racing car that exercises hands-on ability. Having a homemade small racing car is the little dream of a childhood boy, so purchase one now, and then send to your kids. Features - Color: As shown. - Material: Wood, cardboard and electronic components. - Size: 15 x 11 x 4 cm. - It is a four-wheel car model toy, simplified version, small size, your kids can observe every details. - It involves multiple principles of circuit, power, physical change, and radio, so your kids can learn a lot from playing. - Experimental principle: After the circuit is connected, the transmission wheels on both sides of the reduction motor output power, and the front and rear wheels are rotated by the transmission belt to drive the car forward. - It can stimulate kids' interest in learning and thirst for knowledge. Also can train their practical ability and scientific and educational intelligence. - It is a great way to guide your kids fall in love with science and understand the abstract knowledge.Package list: 1 x Four-wheel Drive Model Toy