Most water rockets launched simultaneously
Who
Royal College, Colombo
What
1,950 people
Where
Sri Lanka (Colombo)
When

The most water rockets launched simultaneously is 1,950, and was achieved by students at Royal College, Colombo (Sri Lanka) in Colombo, Sri Lanka, on 10 November 2017.

The Royal College, Colombo attempted this record to celebrate World Science Day and the 50th Anniversary of their astronomical society.