尺寸：長34×寬21×高4cm(附球兩顆)
兩手放在手把處，當球滾動至S形軌道的末端時，迅速改變軌道的方向，接駁球的運行，讓球在2個變換軌道上持續地運轉不掉落，訓練動作的靈活反應。
適合全家人的手部及肩關節運動。
製造地方：台灣
Dimension:(LxWxH)34x21x4cm
Grip the Infinite Loop with both hands and open and close it to maneuver the equipment. The two S rack variations serve as dexterity development for children and adults to improve reflex.
