Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.