They shoot footballs and melons out of milk churns and other cylinders using carbide.
For those curious, the carbide (calcium carbide in most cases) is not the explosive being used. Calcium carbide and water are being mixed in the milk jugs, which react together to produce acetylene gas. Acetylene is very explosive and is what is being ignited on these cases.
Croatians celebrate a summer holiday.
And then there are the Mexican exploding hammers.