Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Building a rocket ship is a great way for kids to learn about measuring and construction. It'll fuel their creative side too!

This activity is a great starting point for practicing mental math because it is quick, easy and involves only simple addition facts.

Learn to recognize symmetry by playing this game! The more you play, the better you'll get at recognizing this special characteristic many playing cards have.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.

Take the spookiness out of spiders with this web-making activity! Your child will practice talking about and creating shapes in this Halloween craft, and learn about spiders along the way.

Your preschooler will not realize she's practicing her counting skills while playing with this interactive cereal abacus!

This flexible activity for preschoolers features jellybeans, counting, coloring, and the five senses.

Tangrams are a kindergarten staple, but now it's time to take them to the next level! Get your child started on geometry with this tangram puzzle.