Der Uhrmacher Tweet Description The Clockmaker is dead. With him, the secret to his machine whose mechanical purpose seems heading towards a cataclysmic end. The Royal Society of London has dispatched some of it's most promising members to solve this machine and disassemble it before it's too late. Details Ages: 10 and up Category: Puzzle Designer: Martin Boisselle Mechanics: Co-operative Play, Pattern Building, Pattern Recognition, Simultaneous Action Selection Publisher: (Unpublished) Time: 60 minutes Year: