Basketball On Wheels In Scooter Roundball the scooter boards change the flow of the basketball. There is no height advantage so the game is more equal, valuing fast foot movement, and offering a new coordination challenge. You can vary the challenge by adjusting the height of the goal to meet the skills of the players. Scooter Roundball consists of two height-adjustable Roundball goals, adjustable from 41" to 66"H (1m to 1.7m), and one 6" (15.2cm) mini Max basketball. Scooters not included.