Photo 1 of Wrist Training Ball, self-Starting gyro Forearm Exerciser Power Ball and Finger Slide Combination Pack for strengthening arms, Fingers, Bones and Muscles.(Blue with LED Light Combination)

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Photo 1 of Wrist Training Ball, self-Starting gyro Forearm Exerciser Power Ball and Finger Slide Combination Pack for strengthening arms, Fingers, Bones and Muscles.(Blue with LED Light Combination)Photo 2 of Wrist Training Ball, self-Starting gyro Forearm Exerciser Power Ball and Finger Slide Combination Pack for strengthening arms, Fingers, Bones and Muscles.(Blue with LED Light Combination)