Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

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

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

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

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

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

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