The spinner toy feature: made of good material, durable and long lasting. speed spin 2 minutes in your hand or on a table. Ideal for anxiety, concentration, autism, neglect of bad habits. Quite small enough to put in your pocket, carry. Well, first of all, it is fun. Second, it can help with stress or anxiety release, autism, ADHD. Keep your hands busy, instead of biting nails or finger drumming for example.