Hydrophobic Sand

$1.25 inclusive of GST

The never-get-wet sand!  Scoop into water and observe the peculiar properties due to the nanoscale hydroxysilane molecules.  The sand can be used over and over.

Age:  5 to 12 years
Included: 50g sand (one colour) & 1 instruction sheet

Category: SKU: BB02

Description

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