Bingo! What could be more fun? These brand new Double Bingo games feature two games per side of each player card - one in blue and the other in red. Play the blue game, play the red game, then play the two games together. Flip it over and do the same. That gives you six games altogether per set! Each set includes 35 player cards and 4 caller cards. Games become progressively harder for multiple grade levels. Recommended for use after Alfred's Essentials of Music Theory, Book 1, Units 3 and 4.