96 double-sided, 4” x 4” cards. 1 Dot, 2 Dot & 3 Dot cards provide three levels of difficulty, with double digits. 1 Dot cards are easy, 2 Dot cards are medium and 3 Dot cards are tough. The 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.