Hourglass 30 Minutes, Sand Timer Sandglass Creative Vintage Clock Timer Hour glass for Kitchen Home Office Classroom Decoration (30 min, White/Green)

30 Minutes of Work: What can you get done in 30 minutes? Improve time management, perform tasks effectively, complete your work, and encourage productive learning with the 30 minute sand timer., Premium Quality: Rubik sand clock is made with clear high-quality Borosilicate Glass, delicate fine sand and elegant wooden stands. Very durable to use., Widely Used: Ideal for Games, Classroom use, Cooking, Exercising, kids’ tooth brushing and so on. Also can be used as a decoration. Great Gift for Children and friends., Package Includes: 1 x Rubik sand timer, Note: This sand timer is not a precision timing device, so there is time deviation. What's more, please don't use anything to scratch the words on the glass to prevent the words drop off.