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The base rock and chemicals required are contained in the plastic box in which the crystals will be grown and will eventually act as a pedestal for the finished object. An interesting and educational present, well packaged and cleverly thought out.
Against the clock, lip reading fun for all the family
Wind them up and watch them stomp towards each other, sticks flailing
Over 70 colour pictures which hide clues to well known sayings or catchphrases