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.

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

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.

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.