The Roll & Score arcade game ball set is sold in packs of 3 yellow balls, each ball has a diameter of 2.48 inches. These balls make a perfect replacement set for most arcade ball toss games. The set is made of PVC for durability and to help provide a smooth ball roll when playing classic ball toss games like Alley Bowling, Ramp Ball, or Roll and Score. Roll & Score is a classic arcade game that’s fun to play with family and friends, and adding a new set of yellow arcade balls to your current set could let teams pick colors. This set of 3 arcade game balls is weighted for fun, fast game play, each ball weighs 2.08 ounces (0.13 lbs.), and the set of 3 balls weighs 6.24 ounces total.