Most of us have a dish of coins that accumulate month after month and then take them to a CoinStar machine to lost about 10% just to have them counted. Few banks offer the service anymore, so how do ...

Discover the ultimate DIY Automatic Coin Sorting Machine made out of cardboard! In version 2.0, you'll need just a few materials: cardboard, a cutting knife, a battery, an electric motor, a small nut, ...