The 100th day of school is an important benchmark for kids in the lower elementary grades. Help your kid create a 100 days of school shirt to celebrate!

Prepare for school the washi tape way with some washi tape school supplies!

Celebrate 100 fantastic days of school by creating a school-themed collage with 100 pieces in this unique arts and crafts activity.

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

Get fired up for the new school year with a "Back-to-School Calendar" you and your child can make at home.

Get into the back-to-school spirit with this clip magnet that'll make sure your first grader never loses his important school papers again!

It's that time of the year again! Celebrate the start of a new school year with a back to class bash, complete with arts and crafts, food and games.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

Celebrate the 100th Day of School by making an amazing sculpture using recycled materials.

Make a First Day of School Mobile to help commemorate the big step from preschool to kindergarten and ease those first day jitters!

Here's an arts and crafts activity to help your child put together his own "Back to School" scrapbook.

Celebrate the 100th day of school by making a unique work of art using 100 colorful pom poms in this fun kindergarten arts and crafts activity.

Make the 100th day celebration extra special by creating your own 100th Day of School Top Hat.

Put your individual fingerprint on the 100th Day of School (literally!) with this activity.

Celebrate the 100th Day of School by making a collage frame that can showcase your childâs favorite piece of art.

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.

This project commemorates the milestone of completing the first 100 days of school, while giving your child a manipulative to practice counting to 100.

Looking for a unique arts and crafts activity that gives some writing practice? Help your child make her own back-to-school business cards!

Make a photo book to provide a reassuring guide for your child's first days and weeks of school.

Make a brag sash with your child to celebrate an amazing school year filled with accomplishments.

Kids in preschool, kindergarten, and elementary school will love turning flower pots into homemade musical instruments in this fun and simple activity.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Challenge your learner to design and build a city of their own in this creative engineering activity.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Here's an activity to help your child create her very own time capsule to unearth and open in one, five, or even ten years later!