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

In this activity, your child will be challenged to make a tower using paper cups.

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

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.

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, 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 create their very own marble maze!

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

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

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

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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

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

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

Research and understand basic computer science. Build a simple computer, following instructions found online. Design a new or improved feature.

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

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

Here's a simple science activity that will help your child better understand how wells bring us water.

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

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