ELI5: Explain Like I'm 5

Stamp vending machine

A stamp vending machine is like a very special kind of piggy bank that gives out stamps instead of money. You know how you put coins in the piggy bank and then one day you can take out all the money you saved? Well, with a stamp vending machine, instead of coins, you put in paper money or coins and then pick the stamp you want to buy. The machine will give you a stamp in return for the money you put in.

Stamps are small pieces of paper with pictures on them that you stick on letters or envelopes when you send mail. They show the post office that you paid for your mail to be delivered. Stamps can be used for different things, like sending letters, greeting cards, or even packages.

The stamp vending machine makes it easier for people to buy stamps without having to wait in line at the post office. Plus, the machine works all day and can be found in different locations, like in a mall or a library. So, the next time you need to send a letter or a package, you can use a stamp vending machine to buy a stamp, just like you would use a special piggy bank to save coins.