Introduction Have you ever used a coin-sorting machine to separate pennies, nickels, dimes and quarters? When you need to separate things that are all mixed together, using a machine can be much ...

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, ...

When it comes to LEGO and sorting, the idea is usually to sort bricks by color, which is a great way to help keep your sanity. And if you want to buy more, you may need to save your pennies and so on.

Counting change is a great way to teach children about mathematics and money, but it grows tiresome for those of us that have passed the first grade. Thus, a machine should the job, as [Daniele ...