Challenge your learner to design and build a city of their own in this creative engineering activity.

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

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

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

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

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

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

In this design challenge, your child will make a bottle rocket using typical household items.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

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

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

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!

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.