Invite your kindergartener or first grader to make giant, soft building blocks. He'll have a blast constructing, throwing, stacking, and even falling on them!

Your child can now recreate history by building his very own fortified castle.

Building a rocket ship is a great way for kids to learn about measuring and construction. It'll fuel their creative side too!

Help your teen use scrap hardware to make punk-style jewelry that lets her own unique style shine.

This simple and creative arts and crafts activity is great for preschoolers or kindergarteners and uses recycled magazines or newspapers.

Help your child rocket off for some high-flying fun with a jet pack you make from recycled materials and a few odds and ends.

Who says you have to buy your toys at the toy store? In this activity, you can plan and build a pretend play city entirely out of recycled materials.

Playhouses can be expensive, and they take up so much space. Why not make your own collapsible playhouse instead?

Engage your preschool children's senses by discovering nature and geography on a walk through the neighborhood.

Help your child think outside the box as they create these festive noisemakers, a fun way to ring in the new year.

This school bus is easy to make, and all you need are some common household items.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Help your child use recycled materials, a little imagination and some writing skills to build his very own recycled creature.

Help your little builder move up in the world with this recycled cardboard castle that's just the right size for a young king and his loyal stuffed subjects.

Introduce your little one to the joys of gardening with this adorable do-it-yourself planter made from clothespins.

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