A mysterious, magical glow in the children's room! With this KOSMOS experiment set, children aged 10 and over will become successful crystal growers. The instructions show you in simple steps how to grow sparkling crystals from alum powder. The home-grown crystals are applied to the enclosed large rock crystal and given a bath in a solution of noctilucent dye. This is how the beautiful crystal work of art begins to grow and shine.
But how do crystals actually form in nature and where is noctilucent dye used in everyday life? The instructions reveal all of this. Chemistry is fun!
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