4M Eco-Tech Bulb, Gravity or Hand Powered, STEAM
Power up this overhead lamp with gravity to light up your surroundings. Crank the handle to manually power the torch.
Contents as shown. Includes pieces to build the crank, wiring, bulb, and pulley, as well as detailed instructions.
Not included but also required: small phillips head screwdriver and a clean water bottle.
Recommended for ages 5+.