Here's the gumball machine I made. It was easy to make with a flower pot, clear glass globe, and grosgrain ribbon; all from Wal-Mart. I use it as a candy dish for peanut M's. The idea came from a blog called "A Little Loveliness."
Gumball Candy Dish tutorial. The Dollar Tree carries the glass bowls just as a heads up. Updated: I have gotten lots of questions about the lid. A smaller saucer is glued to the underside of the bigger saucer so the lid doesn't slide off. Here are a couple pictures to give you a better idea.
It all means the same thing to a child. This tutorial gives step by step instructions on how to turn an ordinary flower pot into a wonderful candy dish, cookie jar, or goodie jar, a planter, or even a fish tank!