Ridleys Games invents exciting, original, quality games and toys to spark imaginations banish boredom and open up a world of immense fun. Weve resurrected old school classics and created our own unique collection of new games, puzzles, trivia and novelties to entertain both the young and the young at heart. Because having fun never gets old! Knock yourself out with this set of 100 Knock Knock jokes on door hanger shaped cards packaged in a card box.