Steve Spangler Science WINDBAGS, 4 Pack – Blows Up in 1 Breath – STEM Activity for Kids – Easier to Inflate Than Regular Balloons – DIY Science Toy for Ages 6 and Up – for Classroom and Home Use

Steve Spangler Science WINDBAGS, 4 Pack – Blows Up in 1 Breath – STEM Activity for Kids – Easier to Inflate Than Regular Balloons – DIY Science Toy for Ages 6 and Up – for Classroom and Home Use

• AMAZE YOUR STUDENTS: Amaze your students with Steve Spangler's WINDBAGS by blowing up a WINDBAG in just 1 breath!
• INFLATE WITH ONE BREATH: Steve Spangler's WINDBAGS are 2 meters (8ft) long and can be inflated in just one or two breaths. Perfect for scientists ages 6 and up
• LEARN ABOUT AIR PRESSURE: Learn about Bernoulli’s principle and the properties of air pressure with Steve Spangler's WINDBAGS!
• ACTIVITY GUIDE INCLUDED: Steve Spangler's WINDBAGS come with an activity guide filled with fun science experiments to try with your WINDBAGS!
• DURABLE SCIENCE TOY FOR KIDS: Steve Spangler's WINDBAGS are so light and strong that even the smallest scientist can demonstrate the amazing properties of air with this science experiment kit!