Our hourglass timer sets have achieved the USA highest quality industry standard, time error within ±10% . The unique visual double color glass hourglass sand timer set includes a large sand hourglass 60 minute & a small 5 minute sand timer. Ferrous sand create beautiful stalagmites The rainbow glass hourglass can create beautiful visual touch This is a great novelty item for your office and will attract your coworker's attention!
This clear glass hourglass sand timer set includes a large sand hourglass 60 minute & a small 5-minute sand timer. Ferrous sand create beautiful stalagmites The rainbow glass hourglass can create beautiful visual touch. This is a great novelty item for your office and will attract your coworker's attention The hourglass set is made by Pomodoro Technique