Learn how to create a simple water wheel free energy device using basic materials like plastic bottles, spoons, or wood. This diy project harnesses the flow of water to generate small amounts of ...

In this video I show you how to make robotic arm from cardboard, it's quite fun to plaw with. Especially by moving coca cola cans. You need: cardboard, 8 syringes with rubber piston, old battery, 4 ...