Our giant glass sand timers are designed with an 80mm square base and top to prevent rolling. Each sand timer has the time embossed on the top & colour-coded grains.  Height is 14.5cm 

Set of 6 (30 secs, 1 min, 3 min, 5 min, 10 min and 15 mins)

Also available in the following options:

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Ages 6

Product Code: 81759