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 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:

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

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.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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.

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

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

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

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

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!

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

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.

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

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

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