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

Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

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 fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.