Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!