This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

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

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.

Have your child make a special mobile inspired by the weather outside. Learn about seasons, the environment, and art in 3D.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

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

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.

Give your child a chance to experiment with how things grow. And throw in something extra to up the fun factor even more...her very own grass pet!

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.

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

Make an adorable nut buddy by crafting nature people out of nuts in shells! Buddies will take on their own personalities depending on the materials you use.

Make this easy composting dessert and then enjoy the yummy results!

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

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

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

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.