Get ready to grow a creepy crystal tree! Discover why your school is slowly melting away, how dentists manage to drill through human teeth and other foul facts with our Horrible expert Mr Bunsen. Science has never been so horrible!
Includes ammonium dihydrogen orthophosphate, tree card, tree-growing solution, petri-dish, colouring tablet, sees crystal, round bottle, funnel, limestone rock and HORRIBLE INFO leaflet.
Recommended for ages 8 plus.