- The minimum allowed quantity for Crystal Tree is 12 (you currently have 0 in your cart).
$2.10 incl GST & delivery
The never-get-wet sand! Scoop into water and observe the peculiar properties due to the nano scale hydroxysilane molecules. Sand can be used over and over.
Age: 5 to 12 years
Included: 50g sand (one colour) with spoon & 1 instruction sheet
Minimum order: 12 (packs of 12) FREE shipping