Learn how to make a simple electric boat at home with this easy-to-follow tutorial. We guide you through the steps, from gathering materials to assembling the components, ensuring a fun and ...

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 ...