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.

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

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

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 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.

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!

Make frog feet sponge prints with your child for a fun and educational crafts activity.

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

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

Have your little astronaut create her own crater-filled moon with this fun craft project that encourages learning about the final frontier.

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

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

Invite your kindergarten marine biologist to practice in scientific identification and categorization while creating a lovely treasure box.

Help your child hunt and capture bugs to observe to practice important science skills and satisfy her curiosity simultaneously!

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

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.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

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

Show your preschooler how to construct this very special planter for Mom. It makes a great pick-me-up, and it's easy for kids to make in a flash!

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

This simple activity is not only fun, it's also a useful way to organize children's closets — and offer kids some autonomy to boot.

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

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.

Your child will be delighted to learn about and gaze upon his favorite constellations with this set of stellar homemade placemats!

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

This fun and crafty activity is easy enough for your child to lend a helping hand and makes a great indoor or outdoor game.

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

In this art project, budding entomologists will create a larger than life, moveable puppet version of a praying mantis.