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

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.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

This science fair project idea explores how length affects the weight a bridge can hold.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

This activity is a fun challenge for students who have just started learning to program educational robots.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.