Roller BowlerRoller Bowler is one of our most popular games. Four people can play at the same time. The object of the game is to roll the ball over the first hump and keep it there without the ball rolling back to them. Each of the four lanes has a different height of "hump" to make it more challenging. Simply pull the string to return the ball. Sold in 4 packs. Each 4 pack will include a green, yellow, red, and orange lane. Each color will present a different