The Original Indo Board balance trainer is available in Primal Surf. It Features a 30 inch long board with a 6 inch diameter roller. Other features include: The easiest model to learn on. Simple, stable, wide and user friendly. Fun for riders of all ages and abilities You can learn all the moves you want on this model. After you master the challenge of rolling back and forth, try ollies, bomb drops, shuvits and big spins. Includes a FREE demo DVD.