Hourglass The high quality shockproof sand-glass case makes the sand-glass timer durable and not breakable.$Any Communication is Warmly Welcome Should Customers Have Any Issue or Concern On The Product. It Will Be Our Great Honor to Serve You. Remember That Our Mission Is To Keep Increasing Customer Satisfaction.$High-end atmosphereABS cover + glass hourglass. Won't break under normal use, prevent falling from high or collision with other items.$ Useful Ideal for cooking, games, sports, rest, exercise, child learning and self-control, a very good idea to help children establish a visual concept of time.It can also be a great addition to your home and office$ NoteThis is a sand timer for the game. It is not a precision timing device, so there will be time deviation. In addition, please do not use anything to scratch the text on the glass to prevent the text from falling off. Glass is easily broken, children under certain age play with this product should be under parents watch.