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Science Museum Hydrophobic Sand | |
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Advertiser: Science Museum Store children's books|science & nature Path: Educational Toys > Science & Nature Category: /Junior Scientist|/Science Museum Description: Wow friends and family with this miracle of science - it's sand that won't get wet, even underwater! Hydrophobic sand is treated with silicon vapour so it's guaranteed to stay dry in the heaviest downpour. Each tin contains non-toxic sand in orange, blue, green and purple neon colours. Price: £6.00 
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