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

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.