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.

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:

Help your child make an attractive frozen holiday ornament to hang outside during winter months.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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 transform an egg into a glowing, bouncy "ball" that they can play with.

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

How can you tell the difference between a spider and an insect? Your child will find out as he makes a tray of yummy creepy crawly snacks.

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

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

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.

Summer is a great time to work on pre-kindergarten skills that will serve your child well in her first year at school, while having some fun in the sun!

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Help your preschooler craft a homemade wind spinning device--a surefire to make your backyard sparkle, and teach her a bit about weather!

Aquariums are usually reserved for fish, but this aquarium will contain creatures from your child's imagination!

Discover the wonders of simple clay by pressing flowers into a modeling medium!

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

This crafty activity provides a hands-on way for your child to illustrate how the trees look during each season of the year.

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

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

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

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

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

Looking for a fun way to encourage imaginative play? Try crafting these animal dice with your preschooler.

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

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!