Ages 9 & up (Item #33976) Double-sided, 4'' x 4'' cards. 1 Dot, 2 Dot & 3 Dot. Three levels of challenge. Cards offer three levels of difficulty. Easy, 1 Dot cards are easy, 2 Dot cards are medium and 3 Dot cards are tough. How to play. Object of the game is to make 24. You can add, subtract, multiply and divide. Use all four numbers on a card, but use each number only once. There is at least one solution to every card. ( Download a printable order form )