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

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

Make an edible play dough with your child to help her develop her sensory and motor skills.

Try this arts and crafts activity with your preschooler: make bread from yeast dough to teach her about the science behind bread baking.

Here's an arts and crafts activity for preschoolers and pre-kindergarteners: build brick buildings with homemade mud bricks made from dirt and water.

Teach your preschooler some physics that she can relate to with this fun and simple activity!

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 challenged to make a tower using paper cups.

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

Help your little one figure out the differences between the worlds of air, land and water, a huge step in understanding how our environment works.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

Help your child make a beautiful homemade sandcastle that will last!

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