Solar Balloon Science Fair Project 5 Giant Balloons

My 7th grade science fair project. 5 large solar balloons: 6 Meter Tetrahedron Balloon, 5.5 Meter Tetrahedron, 5 Meter Tetrahedron, 4.5 Meter Tetrahedron, and a 4 Meter Tetrahedron. Balloons are all constructed out of .07 mil black trash bags and masking tape. I used Instamapper app to track the balloons on cheap Boost Mobile phones. www.instamapper.com. I inflated the balloons with a leaf blower. The 4.5 meter balloon got stuck in a tree but blew back out. I repaired it and launched it again. The 4 meter

• #بازی_و_سرگرمی
• #balloon
• #solar
• #free