This fidget spinner is easy to carry and fun to use. reports have shown that spinner fidget toys such as this one help many with focus issues, stress, anxiety, adhd, autism, and overcoming bad habits. and of course playing with a spinner fidget is simply a fun way to overcome boredom. flick and spin for hours with just one hand or both. or set on a table, hold steady with a finger on the cap, give it your best flick, and time your spins of a minute or longer. We carry a variety of fine knives including william henry, chris reeve, benchmade, kershaw, crkt, boker, and more. in addition to fine knives, we carry a wide selection of kitchen cutlery including wusthof, shun, victorinox, and kikuichi. we are the best source for darts and supplies specializing in steel tip darts. FeaturesFidget tri-spinner green edc all-metal weighted bearing adhd focus stress reliever hand toysSpecifications Finish: Green Material: High Strength Polymer Inner Bearing: Double ZZ, High Quality Steel R188 Number of Bearings 4 Size: 3.6 in.