Sand Timer is a device used to Measure the Passage of time. It comprises two Glass bulbs Connected Vertically by a Narrow neck that Allows a Regulated Trickle of Material from the upper bulb to the lower one. A sand clock works on the Principle that all the sand from the Upper Chamber Falls into the lower Chamber in a Fixed Amount of time.
Description:
The sandglass is surrounded with high quality, strong material made of plastic, designed to prevent accidental damage, it’s sturdy enough so that kids can play with it.
3 minutes timing, according to the differences of gravity, time counting has up to 10% deviation. The sands are smooth so you don’t have to shake the timer to make it flow.
Based on 5 reviews
Sand Timer