1:16 Monster Trucks: Our 1:16 scale RC cars are powered by strong magnetic motors. These remote control car speeds topping to 20km/h. Powerful Controller: A 2.4GHz radio control system provides a stable control range within 160 feet. Reliable transmission forward, brake and reverse would never fail. Anti-interference function allows multiple monster trucks to race together, suitable for 4 5 6 7 8 9 year old boys to play together. Off Road Remote Control Car: Equipped with powerful magnetic motors and high grip off-road tires. Our monster trucks for boys and girls also have a differential to make the remote control car for boys 4-7 more nimble when cornering. Whether indoors or outdoors, you can easily break through the land, stone roads, beaches and grasslands. Safety Material: Our monster trucks' shells are made of flexible PVC to ensure the material is safe, drop resistant and durable. The battery is attached to the panel with screws, it is not easy to fall down, ensuring the safety of 3 4 5 6 7 8 9 year old boys & girls. Monster Trucks Gift for Boys and Girls: Our remote control car for boys girls 4-7 is durable, speedy, fun, and suitable for birthday parties and many occasions. Kids can harvest their unique happiness together. Great gifts for 5 6 7 8 9 10 11 12 year old boys & girls.