Features: 1. Instruction - Flip and watch the sands flowing down to create a beautiful picture and relax with their rhythmic drops.2. Design - It has a mesmerizing effect when you watch the sands travel down in slow motion. By letting gravity guide the colored sands from top to bottom at a slow and steady speed!3. Advantage - No batteries or power needed! Simply flip it over and it will start again and again! These liquid motion art will actively work to relieve your stress and provide you with hours of calming entertainment at home or even at the office!4. Great gift - A gentle fidget toy that pleases the eye and eases for comfort. Quality glass material frame, tough and not easy to break. Suitable for office workers, people who work beside the computer for a long time. 5. Wide Application - It can be a gift to your kids for hours and hours of fun, but they can also be used by adults to manage their stress or even as decorative pieces to give your office desk an awesome look! Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Material: glass, sands Size: As the picture shown Battery: no Decoration form: placing Color/Style: As the picture shown 1 x Moving Sand Art