Work on simple addition and finding even numbers in this second-grade math card game.

This activity is based on the popular card game, Slapjack. It's rip-roaring fun, and it reinforces the concepts of odd and even.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Instead of tossing old school supplies, turn them into a work of art and teach your kids how to find new uses for old things.

Capture the past with this photo mobile that turns old photo negative strips into hanging art!

Celebrate Earth Day, or any day, by recycling an old CD and make a colorful, decorative fish!

Put old, worn-out picture books to work by constructing a book birdhouse, perfect for welcoming spring.

Boost creativity with this simple activity where kids make up biographies of people they find in old magazines.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Your child can re-use and re-purpose old seeds and paper into something new: decorated paper that can be planted!

Re-use old plastic food containers to create these uniquely beautiful stepping stones to embed in your backyard!

Use up your leftover hardboiled Easter eggs with our healthy, gourmet variations on an old classic: deviled eggs

Your child will look forward to lunchtime with this artistic reinterpretation of the same old cold lunch.

Re-purpose an old glass bottle into a cute vase using a few pieces of felt and a little imagination.

Help your child use an old water bottle and a few other household materials to make her own eco-friendly pal!

With a few creases and crimps, you can turn regular old aluminum foil into tin foil art!

Recycle old materials to create a fun, brain-teasing maze toy that also strengthens your child's math reasoning skills.

Even the most reluctant beginning writers love to experiment with the "cliffhanger."

Give your child some practice with even numbers, while creating a cute Christmas keepsake. Create this skip counting book.

Keep your child active this summer by transforming old milk jugs into scoops and newspaper into a ball with this exciting game of catch!

Want to reuse materials that would otherwise get tossed in the trash? Show your third grader how to get crafty with old newspaper and fabric.

Don't toss out those old tortillas! Your child can use them to create her own tortilla chips in any flavor she can imagine.

Recycle an old soda bottle into a beautiful, functional soap dish! In this project your child will practice saving the environment in a proactive way.

Use an old strawberry basket to create a decorative box for storing knickknacks, jewelry or odds and ends with this recycled craft.

Transform an old chair into a chalkboard canvas! This painting activity is a useful and creative way to add some quirky charm to your existing furniture.

All you need to put together this guitar is an old shoebox. Soon your kid will be rocking out while saving room in the landfill.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Celebrate Hanukkah the old-fashioned way with an oil lantern. This craft is a perfect opportunity to teach your child the history of this special holiday.

Sure, your kid may already be a Picasso with a paintbrush, but even fancy artists need a new challenge.

Light up your home with this lightning bug craft that will keep glowing even after summer's gone!