• Ideal for improving fine motor skills, strengthening hand muscles and grip, and decreasing stress
• Each of the six color-coded putties features industry standard resistances, with a progressive firmness ranging from extra-extra-soft to extra-firm
• Each 4 oz. container includes the following color-codes and resistance level: Tan – extra-extra-soft; yellow – extra-soft; red – soft; green – medium; blue – firm; and black – extra-firm