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This magic sand is dyed and coated to repel water, so it's always dry. When submerged in water, it can be moulded into structures. Great for teaching about hydrophobic substances. Get different colours and create some impressive shapes. Sand comes in one of the Simply separate from water to reuse. Warning - do not eat! Price is for one test tube.
Product dimensions: 14 cm x 2.5 cm
Suitable for children aged 4 years+