Introducing the Magnetic Sand Timer, a unique hourglass with fine magnetic filings for mesmerizing patterns and structures as time passes. The freestanding hourglass can also be used without the magnetic base as a traditional sand timer. Powered by a powerful rare-earth magnet, watch as the ferrous material interacts with the magnetic field for intriguing effects. A fun desktop diversion, a time limiter, and a space-saving addition to small shelves, desks, and tables. Ideal for classrooms too! Magnetic sand timer Reversible Create unique sculptures using this magnetic hour glass Size 14 x 8cm