This Green Science - Eco-Tech Bulb is a gravity and hand-powered light bulb. Crank the handle or attach a small weight to power the light bulb. Assembly required.
This Green Science – Eco-Tech Bulb is a gravity and hand-powered light bulb. Crank the handle or attach a small weight to power the light bulb. Assembly required.
Reviews
There are no reviews yet.
Be the first to review “Green Science/Eco-Tech Bulb” Cancel reply
Reviews
There are no reviews yet.