Race to double numbers in this competitive card game. Try one-digit or two-digit numbers, or more!

Your kindergartener will learn basic math concepts and create a beautiful keepsake with this African flag reference book.

Help your child learn how to protect the environment by creating a useful reference for the family with this recycling poster.

Make an "I'm NOT Bored" book filled with your child's favorite activities, to reference the next time she has the urge to declare, "I'm bored."

How do organic materials become soil? This science experiment measures what materials biodegrade.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Discover the science behind materials that absorb heat, and materials that don't, by constructing this cork trivet for your dinner table.

Sharing can be a challenge, and division doubly so! Practice halving numbers in this competitive card game.

Make beautiful print block art with your kids using recycled materials.

Make a homemade doll out of recycled materials, similar to dolls made by pioneer children.

Create a self-portrait from natural materials in this collage craft activity!

Engage your third-grader in this version of the classic game and she will get lots of practice using mental math to solve addition and subtraction problems.

In this activity, learners will discover how to make a basic water filtration system using common materials found around the house or outside.

Here's how to create an easy travel checkers board that you are your child can enjoy together using simple materials.

Help your second grader craft some lovely, personalized Valentine's Day cards--out of kitchen materials!

This project compares the strength of one, two, and three-ply toilet paper.

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

Create this homemade slinky snake from recycled materials. It can move and slither about like the real thing!

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

This variation of Duck, Duck, Goose is played in pairs, which means a lot more activity for participants!

Create a one-of-a-kind lunchbox with your second grader using recycled materials and some down home ingenuity!

Using simple materials, children will create a movement card game that the whole family can play together.

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

Instead of buying new sunglasses this summer, why not use recycled materials to make some of your own?

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.

Beach bags don't have to be bought...make your own beach bag out of recycled materials in this summer craft.

Celebrate Earth Day by making colorful animal sculptures using recycled materials from around the house in this 3rd grade arts and crafts activity.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

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

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.