Horrible Science - Creepy Crystals

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You can't add more than of Horrible Science - Creepy Crystals.


Grow a creepy crystal tree, create your own diamonds and make crystals that rock! Discover how crystals form and foul facts about crucial crystals.

Contents: ammonium dihydrogen orthophosphate, tree growing solution, tree card, Petri-dish, colour tablet, seed crystal, round bottle, funnel, limestone rock and 'Horrible Info' leaflet.

Suitable from 8 yrs+

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