Curious Minds Did You Know: The oldest found parts of the Earth's surface were zircon crystals discovered in the west of Australia. 

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 50g, tree growing solution, tree card, Petri-dish, colour tablet, seed crystal, round bottle, funnel, limestone rock and Horrible Info leaflet. 

Suitable for children aged 8 and up.