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

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

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

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.

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:

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

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

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

Make a spring collage with your child to get them outside and those creative juices flowing!

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

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

When the wind starts blowing, you and your child can plant a sponge garden in the comfort of your own kitchen. Here's how:

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

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

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