This twistable therapy device is an ergonomic approach to hand therapy, minor stress relief, smoking cessation, building fine motor skills, and much more. Soft, texturized rubber bumps on this Tangle provide a one-of-a-kind sensory and tactile experience in your hands. The motion is calming and fun!\nResearch studies in widely varying fields such as play therapy, ADHD, dementia, nursing, special needs care, mental health and well-being have found results in playing with a Tangle.\nThe ability to fidget to focus is not an abnormal coping mechanism. Rather when a person has a fidget to hold and manipulate during stressful times researchers have find that Tangles can enable better reading and math comprehension, smoothed nerves and anxiety, more body control, focus and even improved rehabilitation.\nTangle Therapy is the largest of the tangles and fits comfortably in a teenage childs hand. Younger children can also use it in one hand but will often move it between two.