Cardinal Giant Kerplunk Game Play begins with the players inserting the sticks through the tube and then pouring the balls into the top of the tube. Players begin to carefully remove the sticks one by one, and be careful not to let any balls drop! This giant kerplunk is a retro game made huge! For 2-4 players, ages 5 and up Cardinal offers a wide range of quality family-friendly games, innovative puzzles and contemporary and evergreen licensed products for game and puzzle lovers of all-ages.