Ideal for developing hand-muscle strength and increasing endurance!
Strengthen your hands with this colorful putty. Rainbow Putty is ideal for helping you develop your hand-muscle strength and increase your endurance. To gently increase range of motion or reduce stiffness, use soft yellow. As strength increases, gradually increase the resistance of the putty. Varying resistances are indicated by color. Packaged in convenient reusable containers (A12033)Learn More