Place 1 tablespoon of water in a small plastic cup. Add ¼ teaspoon of borax ... 6. Form the slime into a ball and see if it bounces. You could put it over the bottom of an upside down cup and watch it ...

Set up a mini bowling alley by using overturned plastic cups as pins. Use the traditional triangle setup or create a stacked pyramid. Then roll a tennis ball to knock them down. Plastic cups make ...