Make your own battery using copper coins, vinegar, foil and cardboard. I had enough energy to power an LED with mine and also a TV remote! Really simple science project and easy to do yourself.
Other Videos:
Balloon Experiments - [ Ссылка ]
Smoke Rings - [ Ссылка ]
Mini Rocket - [ Ссылка ]
Draw 3D - [ Ссылка ]
Music: Life of Riley - Kevin MacLeod (incompetech.com)
