Tri Ominos; The Classic Triangular Domino Game; Plus Bonus Game for Kids The classic triangular domino game, combines strategy, luck, and new challenges each time you play. The Bonus Tri-Ominos for Kids game encourages children to match up numbers, colors, and pictures of their favorite animals The Classic game is for 2 - 6 players, ages 8 to adult The Kids game is for 2 players, ages 4 and up Made in the U.S.A.