The Brain Box Boat set can make an electric fan, a flying fan, an air driven boat, or a water propeller driven boat. Contents: 2 two-snap connectors, 1 slide switch, 1 battery case, 1 motor, 2 propellers, 1 chassis, 2 rubber bands, 1 airscrew, 1 axle, 1 rubber tube, 1 motor clip, 1 hull, instructions.
