These liquid timers have the coloured granuals starting at the bottom of the timer and floating towards the top in an hour glass shape.

A fantastic resource for children to see motion in reverse.  Approximately 13cm in height, the coloured sand granuals move slowly as they rise to the top.

(5833)

SKU 5833
Shipping Weight 0.0500kg
Shipping Width 0.100m
Shipping Height 0.080m
Shipping Length 0.130m
Shipping Cubic 0.001040m3

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