Horrible Science Creepy Crystals Boys • Test your knowledge of

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Bring home the king of what's-on-the-card

to become more skilled and autonomous in everyday life

Set up the soft skittles and let your little one have a go at knocking them down with the colourful bowling ball

Horrible Science Creepy Crystals Boys • Test your knowledge ofGrow a creepy crystal tree Create your own diamonds and make crystals that rock Discover how crystals form and foul facts about crucial crystals Contains ammonium dihydrogen orthophosphate, tree growing solution, tree card, Petri dish, colour tablet, seed crystal, round bottle, funnel, limestone rock and 'Horrible Info' leaflet Grow a creepy crystal tree, create your own diamonds and make crystals that rock! Discover how crystals form and foul facts