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.

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

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.

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.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

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.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

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.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

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.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

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.

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.

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

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

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.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

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!