Our Sensory Fidget Spinners Relieve Stress Through Squeezing & Rotating, Making Them Ideal Sensory Toy for Relaxation & Mood Soothing; Furthermore, Diy Assembly into Different Shape Can Effectively Stimulate Creativity & Expression, Benefiting Both Mind & Body & Providing Positive Emotional Value. Our Sensory Fidget Toys Are Made of Plastic with Smooth Surface, Are Durable, Rotate Smoothly, & Can Withstand Repeated Squeezing & Twisting, Supporting Long Term Use.