Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

Teach your child about jesters as she makes her very own jester hat.

This Halloween math activity book is a whole lot of fun.

Help your preschooler chart her good eating habits with this arts and crafts activity that has her making a healthy fruits and vegetables rainbow and graph!

Hiding protein-rich quinoa and a variety of fresh vegetables, these meatballs are the perfect answer to kid food woes.

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

Have fun with the kids by "shaping up" your standard chocolate chip cookie recipe, and teach kids about sorting and shapes while you're at it.

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Take math off the page and into the real world. This simple game gives kindergarten kids hands-on practice with basic addition.

Here's a preschool color collage activity to help your child work on their sorting skills, and create a beautiful addition to the refrigerator gallery.

Play this hidden number game with your preschooler or kindergartener that will give them a leg up in learning numbers.

Do this fun activity that uses stickers to help your kindergartener with counting, basic addition, and one-to-one correspondence.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Learn about coins and their value by making an animal piggy bank. Here's how to make a lion, pig, or sheep bank!

Create a counting book, in order from 1-30, to help your child figure out a variety of ways of recognizing and representing numbers.

Teach your child what a sugar plum is with this easy recipe that gets your child to chop, mix, and roll his way to a delicious treat.

With this fun activity, you can help your preschooler make an cute shopping notepad to keep and use or give away as a gift. Here's how:

The Kindergarten Personal Record Book makes measurement fun & active! Kids record their vital statistics from head to toe using unusual tools like paper clips.

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Make a Christmas countdown calendar to get your child excited about the coming holiday. This Christmas countdown calendar helps you make holiday memories.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

This project concerns activity happening millions of miles away, on the sun.