As a grown man of 40+ I must say this terrible, but the 13 year old side of me remembers doing the same stuff and can commend them on picking a good vantage pont.

Mini Rockets can be easily aimed at running friends using the inside of a Raleigh racing bicycle handlebars. Or even held at arms length.

Although the practice of unwrapping fireworks to collect the powder together, light it and call it a "Genie" always seemed a waste of a good bang.