Jack brort a cak to school and we all had a pisCaptin Cok was a famos exploderI found a spare seal so I quickly sat on itChildren are at their funniest when they are trying to be serious, and their earnest attempts at mastering the English language are a veritable goldmine of unintentional humour, from the charming to the ludicrous, and from the profound to the downright X-rated. Enjoy this side-splitting collection of spelling slip-ups and homework howlers.