When I was growing up we used to have a big bonfire on Guy Fawkes Night. A dummy Guy would be burned on the fire - rather gruesome really - and fireworks would be set off. I always enjoyed it. We children used to sing a poem, which went like this:
I understand that there is more to the poem than this, but we children never knew the words. There is lots of information about Guy Fawkes and the Gunpower Plot on Wikipedia if you are interested.
I am still on the lookout for a good book for children about this event in history. If anyone knows of one please let me know.