คุณลักษณะ

• Expanding the texture of moving water craft
• This is an assembly type gearbox that can be attached to a mini underwater motor (high-speed type) to extract power from the side.
• A pinion gear is installed instead of a screw, and a crown gear is used to reduce the rotation of the motor.
• The hexagonal shaft, which takes out the power, has three hole locations, a circular crankplate and removable wheels.
• You can also enjoy making amphibious vehicles.
• Mini four-wheel drive wheels can also be attached to the hexagonal shaft.
• With plate for screwing Styrofoam (sold separately) used as float.