The fast and dynamic movement of the Fitterfirst Bongo Board® is perfect for skiers, surfers, skaters and hockey players. Any athlete looking to develop great performance-enhancing reaction skills and master tricks will love this super challenging board.Enhance core strength & stability while building balance & proprioceptionAdvanced development of reaction timeHighest challenge, risk, rewardThe Bongo Board® is used by many elite-level athletes as a cross-training tool used to improve functional and sport-specific skills, and to train overall reaction times and balance. The patented roller design provides an authentic experience, with tapered edges allowing for heel-to-toe rocking. The independently rolling sides enable rotational movement. Difficulty Level: Advanced Additional Information Enhances core strength & stabilityImproves balance & proprioceptionIncreases coordination & responsivenessAdvanced development of reaction time Double ball bearing wheel system allows two halves of roller to roll independently for rocking, rolling & 360deg movementTapered roller allows toe-hell movementBumpers for added safety & control Spotter recommended for new users - Falls may occur with this product