Learn about the growing app design field by designing a new or improved app for smartphones.

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

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

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 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 transform an egg into a glowing, bouncy "ball" that they can play with.

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

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 an insulated cup that will keep beverages colder for longer than a regular cup.

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 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.

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