Supermarket giant Woolworths has dropped the F-bomb in popular activity book aimed at children.

Parents are up in arms over the discovery of the four-letter swear word in the company's Aussie Animals Activity And Collectors Album find-a-word.

Woolies' find-a-word puzzle angers some parents Credit:Sunshine Coast Daily

Some parents have taken to the Woolworths Facebook page to vent their disgust, while others saw the funny side.

A Woolworths spokeswoman apologised to customers for any offence that error might have caused and added the online version had been corrected.

"The Aussie Animals find-a-word games are randomly generated [and] unfortunately this error was not picked up during the proofreading process," the spokeswoman said.

Read more at the Sunshine Coast Daily.