Play 20+ games from the double-deck combinations of color and rhythm cards. These card games are designed for families, classrooms, and large or small groups. The color cards use the Chroma-Notes™ colors that match the C Major Diatonic Scale Set of Boomwhackers Tubes. Package contains 48 color cards, 48 rhythm cards, 2 wild cards, 2 music word cards, and instruction booklet.