DynaFlex Gyroscopic resistance power to strengthen the hand and arm. Use gyroscopic resistive power (up to 13,000 Rpm) to strengthen grip, wrists, forearms and biceps. The string pull allows for easy starting. A fun but serious tool for strengthening the hand and arm. Aids in the prevention of repetitive strain injury and carpel tunnel syndrome. Therapeutic for childrens hands, wrists, arms, biceps and triceps. The flashing lights create a sensory experience that will keep your child coming back for more and more.
100% Satisfaction Guarantee: At Mansion Schools, we want to be sure that the item you choose is the right one for you. Within 30 days of delivery of your order, you may return any merchandise purchased from Mansion Schools in its original condition with your email order confirmation or packing slip. Restocking fees may apply. On items over $275 shipping within the US, we will even arrange free pick up or pay for returns shipping.