Feature: 1. Reduce Pressure: Fingertip gyroscope toy can release stress and reduce anxiety, which is very suitable for people with ADD and ADHD. 2. Easy Play: Hold the center sides of the gyroscope with one finger and rotating with the other hand, after practice can be used with one hand. 3. Portable Size: Metal finger gyroscope toy is small in size and light in weight, easy to carry and can be played in home, office, bus, etc. 4. Widely Use: Decompression gyroscope can make people focused and thoughtful, suitable for children, teenagers, adults, seniors, etc. 5. Excellent Metal: Finger gyroscope made of metal material, exquisite and delicate, which has smoothing surfaces without burrs. Specification: Item Type: Finger Gyroscope Material: Metal Size: Approx. 5 x 5 x 2cm / 1.97 x 1.97 x 0.79in(±1-2cm) Appropriate Age: Over 3 Years Old. Package List: 1 x Finger Gyroscope1 x Storage Box Note: Please allow 1‑2cm error due to manual measurement. Thanks for your understanding.