Recycle an empty bottle to construct this battery-operated Tornado Maker. Create a terrific tornado on your table top! Experience the mighty power of this natural phenomenon. Whoosh! Contains base, battery cover, base cover, bottle holder, motor with water-resistant ring installed, propeller, terminal caps, screws, foam ball pack and detailed instructions. Also required but Not provided: a small crosshead screwdriver, 1.5V AA battery x 2 and a water bottle.