Features:3D Rotating Ball: The 3D Rotating ball is an innovative finger toy designed to provide stress relief and anxiety reduction effects. It is made of high-quality 3D printed materials with a smoothes surfaces structure.Suitable for Everyone: This toy is suitable for people of all ages, including adults and children over 6 years old. It can not only help relieve stress and anxiety, but also provide entertainment and relaxation effects.Logic & Coordination: A very interesting rolling ball,Keep your hand busy have fun for hours & exercise logical thinking, color sensitivity and hand coordination. Great to enhance a childs independent thinking.Funny: This track ball is perfect for killing time, fidgeting, and avoiding electronics. It make some noise to get your kids attention.Its a healthier gameplay to practice-focus and concentration.Portable: This toy is perfect for use while working, studying or traveling. It is small and lightweight, easy to carry, and can be used anytime, anywhereNotice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Size: 5.5*2cm