• Build structures with air
• Explore Bernoulli’s Principle and fill the 8-foot bag with one breath of air
• Make the ball defy gravity and create your own hot-air balloon
• 7+ amazing activities

What is One of the Most Powerful Forces in Nature? Air!

Air is usually invisible, but can you feel it? In this kit, we will explore all the properties of air with 7 amazing experiments! Colored Activity Guide is included.

Make a STEM Connection!

Let’s work together to inspire the next generation of scientists and engineers. At Steve Spangler Science, STEM is not just an acronym or a checklist of required subjects (science, technology, engineering, and math). Our STEM products encourage young scientists to create new and exciting experiences that foster the skills of collaboration, communication, critical thinking, and creativity.

Amaze everyone by blowing up a Windbag with just 1 breath!

How many breaths does it take to inflate an 2 m (8 ft) Windbag? 70 breaths, maybe? Why even try? With a simple science secret, you can amaze your friends by blowing up your Windbag in one breath! Windbags are so light and strong that even the smallest scientist can demonstrate the amazing properties of air!

Discover the Power of Air

Let’s take this Bernoulli’s Principle out for a spin and see what else you can do. All you need is the small funnel and ball found in your kit.

Build 3D Geometric Shapes By Joining Several Windbags Together

Hook two rubber bands together by laying them on top of each other and pulling them through each other in opposite directions. Use the rubber bands (not included) to arrange the tubes in various shapes. Make giant cubes, triangles, pyramids, or even giant balloon animals.

Activity Guide with 7 Experiments Included with Take it Further Activities

The Amazing Blow-Up
Operation Airlift
Windbag Rocket Launch
Building an Air Structure
Expanding Molecules Balloon
Tons-of-Fun Trash Bag Toss
Bernoulli Strikes Again