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.

Invite your second grader to help you measure and mix these fresh, cool concoctions!

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Recycle old materials to create a fun, brain-teasing maze toy that also strengthens your child's math reasoning skills.