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The Avro Lancaster was one of the RAF's main heavy bombers during the WWII

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HORRIBLE SCIENCE CREEPY CRYSTALS Sea monkies That makes this model goodHorrible Science Creepy Crystals Kids Childrens Activity Kit Playset 8y+ 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+ Key Features Grow crystal