Cup stacking is just one of the entertaining games that kids can play with simple plastic cups. Discover other plastic cup activities to try with your kids. Cup stacking (also called sport ...

Where do you think that moisture comes from? Try this experiment to see if you can figure it out! Put ice cubes into two clear plastic cups until they are about ½-full. Pour cold water into both cups ...

1. Place 1 tablespoon of water in a small plastic cup. Add ¼ teaspoon of borax. Mix until as much borax dissolves as possible. This is your borax solution. If you would like your slime to be a certain ...