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.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

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

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!

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

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.

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

Make these homemade shell fossils and introduce your child to the wonders of science!

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!

In almost every preschool classroom is a sensory table. Learn how to make one at home!

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!

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

Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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

Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

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

Show your child the solar system and let them explore the stars and space by creating a painting. It's a fun and easy way capture your child's imagination.

Help your preschooler practice observing and experimenting with this exciting activity where they'll get to examine objects below the water's surface!

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

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

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

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

Have your kid build an ice sculpture in this activity that's so fast, fun, and messy it's the perfect way to demonstrate how much fun experiments can be!

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

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