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

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

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

In this activity your child will create their very own marble maze!

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

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:

Have your child kick off their summer vacation by making a miniature water slide!

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

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

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

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

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

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 activity, your child will create their very own solar oven to bake s'mores!

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

In this design challenge, your child will create a parachute for a small toy using typical household items.