Note: This is a DIY kit， you need to assembling it.Introduce:This product is Battery-powered， and then through the wind to push the car workCan help kids understand open circuit， the wind push principleThe overall effect after the assembly， you can do any changesFeature:For Arduino DIY model productionWithout remote control， without batteryMotor: 180 BrushChildren's educational toyPackage included:1 x Wind Car Model Kit (batteries are not included)