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.

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

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.

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

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

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.

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.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Coil your daughter's two favorite colors into a wearable pendant with just a few scraps of felt!

Inspired by colorful African drums and crafted from recyclable materials, these pencil holders will make a bold and charming addition to any desk set.

This rainbow collage activity is a great way to practice using different materials to create texture. The completed craft is sure to brighten up any space.

Most often, a collage is 2-dimensional, but instead of using paper as a base, this project uses an inexpensive pumpkin from the craft store.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Make your own wrapping paper with some materials from around the house. Try to make your own wrapping paper this year for a unique presentation for your gifts.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Help your child improve his coin counting skills in these two math games that have him race to reach $1.00.

Help your third grader create a Venn diagram fantasy creature by combining two different creatures to create a fantasy creature based on their similarities.

Your child can make a sweet and savory spinach strawberry salad; two ingredients that come together for a light and fresh summer dish!

In this activity, your child will write stories about two different people. The stories will include similarities and differences in the ways each person lives in their communities.

El dia de los muertos (the day of the dead) is a Mexican holiday celebrated on November 1st and 2nd every year. Other Latin American countries celebrate a variation of the holiday, but it originates in Mexico and is unique to this country. These two days