30 Minute Crystal Sand Timer on Crystal Base with Black Sand. This hourglass timer is made of a unique crystal glass that narrows in the middle. The clear glass allows you to see the running sand. Our design with no side columns and a clear base is a one-of-a-kind. Attractive midnight black sand runs smoothly when flipped. Once started, the sand timer competes it's run in 30 minutes. This is the ultimate sand glass clock to stay on time. 30 Minute Crystal Sand Timer on Crystal Base with Black Sand. Features
