Trend multiplication bingo game, age 8 & up, & up, 3 to 36 players, 1 box players have fun while building mastery of all math facts through 12. Practice builds speed and reinforces math concepts. Game adapts for increasing skill. Traditional 5 x 5 grid format can be played 8 ways to meet the needs of learners of all abilities. Fun for large or small group use. Set includes 36 playing cards, 720 chips, caller’s mat and cards, and a sturdy storage box. Ideal for teaching 3rd grade to 9th grade (ages 8 to 15).