Learn and play with letters and numbers in this popular version of O-K-O! Numbers (1 to 20), the letters of the alphabet and basic addition and subtraction will hold no secrets for your little ones! With O-K-O Letters and Numbers, learning becomes a fun-filled activity! Give each player a game board, present each card in turn and let the players place a token on their game board when they find the right match. Be the first player to line up 4 tokens on your game board and win the game!