20 Minute Hourglass Blue Sand Timers Wooden Black Stand Hourglass Clock for Office Kitchen Decor Home

Doesn't work.

This thing is terrible. It doesn't consistently flow and always needs to be knocked to keep the sand going through. Hence, it's nowhere near the 20 minute timer you're paying for. It's just a decorative piece of plastic with blue sand that occasionally falls.

Well, this 20 minute sand clock get done in 23 minutes. You buy a clock for accuracy. This does not even come close.

Sand continually was getting stuck. We returned and got a different type/brand