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 ...

Circus Circus has expanded on its status as the only Strip casino still offering coin-operated slot machines by installing $5 coin machines to go alongside its $1 machines. The slots are a throwback ...

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