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

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

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.

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

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

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

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

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

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

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 surprisingly good glue recipe comes from common kitchen items.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

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