Ultimate Balance Board: * This fun, kid-friendly balance board challenges users as their skill levels increase * Snap in the add-on fulcrums to increase height and tilt angles * Features a unique embedded Z-Shape track * Stay under control and the ball moves through the track * Get out of control and the ball falls out of the track * High-impact molded construction with ribbed beams for added strength * Set includes 1 board, 2 fulcrums (3 height adjustments) and activity guide * 175-lb. weight limit