A kit containing everything you need to conduct 7 experiments & grow colourful crystals – it’s fun to watch the sparkling crystals grow in front of your eyes. 3 x large bags containing safe crystal compound, 3 x small bags containing seed mixture, 1 x large, 2 x medium & 4 x small display bases & covers, 1 x stirring bowl & spoon, ring templates and full instructions. Mix your own colours - blue, purple, red, pink & white. Crystals reach maximum size in 4-7 days depending on conditions – watch them grow day by day in the containers provided.