Free hydrophobic sand, worth £6, with every order placed @ science museum shop by Nov 30th
£0.00 @ Science Museum Store
Instructions:Free Hydrophobic Sand - don't let this offer slip through your fingers.Read More
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! H