Coin Sorting Machine from Cardboard For this project you need cardboard, cutting knife and glue. The most important part - to ...

Coin-operated karaoke machines are exploding in popularity. Seoul, South Korea -- A dollar can buy a pack of gum, a can of soda or a bag of chips. And in South Korea, it can buy an opportunity to sing ...

How to Make Coca Cola and Sprite Vending Machine. For this project you need cardboard, paint, stickers, glue and, of course, ...

While the production of pennies might have ended earlier this year, enthusiasts can use penny press machines for years to come, experts say.