Discover How to Create a Cardboard Mechanical Counter! In today's tutorial, you'll learn to build a fully operational mechanical counter using just cardboard! My design features three counting rotors, ...

Unlock the power of a homemade hydraulic press with this step-by-step guide! Using just wood, 4 syringes, pipes, and a glass with water, you can create a DIY hydraulic press capable of cracking nuts, ...