Krys and Zaadig pop balloons and beach balls

Sitting on beach balloons; Krys and Zaadig blow balloons and pop them.
Krys blow one balloon and pin pop it; Zaadig blow 5 balloons and let Krys pop them (4 with pin,1with match).
After that i  them pop the beach balloons. They use matches for the first holes then they use pin and a knife.