Specifications‎:‎Fingertip gyro hand spinner helps people to relieve stress‎.‎Like all bearings and spinning fidget toys‎,‎ it takes time spinning and breaking‎-in to achieve longer spinner times‎.‎The more you spin the toy‎,‎ the longer it will last‎.‎Great for anxiety‎,‎ focusing‎,‎ ADHD‎,‎ Autism‎,‎ quitting bad habits‎,‎ staying awake‎.‎Easy to carry‎,‎ also effective for focus and deep thought‎.‎Type‎:‎ Hand SpinnerMaterial‎:‎ AlloyQuantity‎:‎ 1 PcOccasions‎:‎ Home‎,‎ Office‎,‎ School‎,‎ etc‎:‎ Creative‎,‎ Stress Relief‎,‎ Portable‎,‎ Bat Wing/Darts Shape‎,‎ Tip Spiral ToySize‎:‎ 10.5cm x 8.5cm/4.13‎"‎ x 3.35‎"‎‎,‎ Finger Hole Diameter‎:‎ 1.6cm/0.63‎"‎ ‎(‎Approx‎.‎‎)‎Notes‎:‎Only for people above 16 years old‎.‎ The hand spinner is very sharp‎,‎ please be careful‎!‎The bearing of this product can not be washed with water‎!‎ After playing a long time‎,‎ soak the bearing with alcohol for cleaning‎.‎Due to the light and screen setting difference‎,‎ the item's color may be slightly different from the pictures‎.‎Please allow slight dimension difference due to different manual measurement‎.‎