Features: 3D Printed Gear Ball: The gear 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 surface and durable 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 child's independent thinking.This track ball is perfect for killing time, fidgeting, and avoiding electronics. It make some noise to get your kid's attention.It's a healthier gameplay to practice-focus and concentration.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 measurement Material: plasticSpecification: 6x6cm8x8cm10x10cmWeight: 36g48g78gPackage List:1x 3D Printed Gear Ball