It's a good thing they don't sell these things to civilians. I'm serious: I would LOVE a box of these. I would go down to the dump and throw them at the junked cars and mounds of rubbish just to watch it fly! Just think of the practical jokes: pull the pin, drop it in the boss's desk - and feign innocence when he comes in the next morning to find his desk reduced to flinders! Hell - I would set one off in MY desk too!