Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Make over an old shirt that's destined for the thrift shop with this heart cut-out craft for Valentine's Day.

Stay active over summer vacation with this fun take on the old favorite Red Rover!

This activity teaches your third grader how to make a paper cut-out still life, in true Matisse-style.

Use a basic tape recorder and some favorite books to help your first grader read smoothly--and make someone's day in the process!

Challenge your fourth grader to try to recreate the geography of her state using just flour, salt, and water.

Celebrate spring with a cute cut-out bug button your child can make out of colorful felt and markers!

Is your kid all bent out of shape? Try out some trendy dog yoga, or "doga," with your pet dog!

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Covered in patterns and reflective texture, this paper purse is sure to stand out!

Draw some educational value out of a summer stocked full of adventures!

Find out which kind of bubble wrap fares best when put in impact.

Check out this sweet recipe idea perfect for celebrating Dia de los Muertos.

Making personalized postcards out of meaningful photographs is a fun, rainy day project.

Find out whether putting something on top of a plant will inhibit its growth.

Take your child's knowledge of shapes out of the classroom and into the real world!

The goal of this project is to create an exciting topographical map out of dough.

How powerful is the reaction between baking soda and vinegar? Find out here!

Help your child craft her first pair of knitting needles out of recycled chopsticks!

Create a yarn doll out of a few toothpicks and colorful string with this Guatemalan craft.

Your child will hop with delight as he make this delicious, edible bunny out of marshmallows.

Celebrate St. Patrick's Day by making personalized art out of some Celtic letters.

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

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

Do different types of oil mix or stack? Find out in this science fair project idea!

Find out whether a longer airplane will fly farther or a wider paper airplane.

Teach children how to upcycle dried-out markers with this homemade paint-making activity!

Test your friends to find out if you can replicate the placebo effect's incredible results.