Longest line of balloons popped by a laser
Who
It's Not Rocket Science
Where
United Kingdom (Borehamwood)
When

The longest line of balloons popped by a laser is 200, achieved by 'It's Not Rocket Science' in Borehamwood, UK, on 23 January 2016.

The laser used was a neodymium-doped yttrium aluminium garnet (Nd:YAG) laser.