Most balloons burst by sitting in 30 seconds
Who
David Rush
What
49 total number
Where
United States (Boise)
When

The most balloons burst by sitting in 30 seconds is 49, and was achieved by David Rush (USA) at the Lake Hazel Library, Boise, Idaho, USA, on 20 June 2017.

David Rush made his successful attempt to promote Lake Hazel Library's summer reading program and the importance of STEM education.