Small Glass Hourglass with Orange Sand

Simple and elegant, these time pieces have been in use throughout the world since 150 BC! They don't need batteries, and a quick glance is all that's needed to read them. They are great for younger learners who may have trouble operating or reading a traditional stopwatch, or those who simply want a modern take on an old classic. A great addition for any desk, laboratory, kitchen or to use as a visual cue for those short but important tasks