Wild Science Crystal Lagoon Create colourful ‘coral' garden reefs with this fascinating science kit. Magically levitate objects using invisible density gradients. Defy gravity with chemical ‘hoopla rings’. Watch a coral tree grow branches before your very eyes. Discover underwater ghost trees. Write your name ‘in the clouds’ & more. This kit contains enough material to fill two completely different tanks with plenty left for experiments. As well as being fun & easy to do, the Amazing Crystal Lagoon kit also teaches you about the science behind the changes that occur when materials are mixed. Experiments included support National Curriculum Science KS2. For ages 10 years & over Contents: Sodium silicate solution Magnesium sulphate crystals 3 bottles of colour food dye Modelling clay & moulded trays Pipettes, Crystallising dish & beaker Spoon Magnifying glass & Vials 2 Special tanks & Seahorse densitometer Safety goggles, Gloves & Mask Colour Instruction manual