
Visual identification
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Select up to four puzzles to compare names, aliases, piece counts, shapes and solution formats side by side.
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Research referencePowder Keg7 pieces
Research referenceHidden Passage7 pieces
Research referenceDouble Lock-a-Ball24 parts
Research referenceAscher12 pieces
Research referenceFoucault's PendulumResearch reference
Research referenceBolts of Pompeii6 pieces
Research referenceAztec Sun Stone12 pieces
Research referenceAppian Way Roman Cube12 pieces
Research referencePharaoh's Ale12 pieces
Research referenceMosaic Tile12 pieces
Research referenceGrecian BottleInternal component count not stated
Research referenceChinese PagodaLayered tower with coloured spheres
Research referenceArchimedes' GearGear assembly with magnetic pins
