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🥚 STRESS RELIEVER & HAND GRIP STRENGTHENER: These colorful fidget balls in three levels of progression (20 lb – 30 lb – 40 lb resistance) help you focus, relieve stress and train hands, forearms and wrists. Stress relief balls for kids and adults.
🥚 PERFECT FOR: Preventing tension, increasing limberness and alleviating joint pain. Great stress toys for adults and kids. Perfect occupational distraction for quitting smoking. Grip muscle training for beginner lifters.