Instructions:Free Hydrophobic Sand - don't let this offer slip through your fingers.
Just add any items you'd like to purchase to the basket as you usually would, and at the checkout enter promo code freesand.
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.( http://www.sciencemuseumshop.co.uk/product/271042.html Item code: 271042)
Search out even more at sciencemuseumshop.co.uk!