Discover how to build a functional DIY mechanical counter using simple materials such as cardboard, wood, and a rubber band.
Begin construction by cutting a piece of corrugated cardboard to be approximately 8 inches by 4 inches. Corrugated cardboard from a shipping box is ideal because of its added weight, which will ...
The same material that millions of Americans view solely as a vessel for their Amazon deliveries could be used to construct cheap, sustainable housing in the developing world. That material? Cardboard ...