Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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

Discover flight initiation distance as you play around in the park with this fun bird watching project!

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

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

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

In this project children practice the scientific method while playing with puffy paint.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this 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.

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

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.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

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 activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

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.

In this project students experiment with making music using only glasses of water.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

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

Learn all about balance and motion as your child designs a corn maze!

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

Plants and light seem to be good buddies, but how far does the friendship really go?

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

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.