Features: brand new and high quality Parent-child companionship:Multiplayer puzzle game to give children a loving childhood. The falling sand has a soothing and fascinating effect, allowing children to enjoy hours of entertainment. Gravity will direct the sand to move down at a slow speed. These sensory toys can help improve visual tracking skills, and its slow and rhythmic decline has very good results, relieve childrens' stress. This slowly sand timer can make perfect toys, desk toys and even as a classroom reward. Your child simply turns them upside down and watches the sand simultaneously down to the bottom of the tube. Package Includes: 4 Package(A/B/C/D/ Optional) Package A:5 Pieces 5 Minutes Sand Timer Package B:5 Pieces 10 Minutes Sand Timer Package C:5 Pieces 30 Minutes Sand Timer Package D:5 Pieces Hybrid Minutes Sand Timer Specifications: Material:ABS Size:Approx.6.5x13cm/2.55x5.1in Color:Random Type:5 Minutes/10 Minutes/30 Minutes/Hybrid Timer note: 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.