Houlis CubeA puzzle which is based on the fourth dimensional symmetry 4D polytope known as hexadecachoron (or 16-cell).
Jugo ClockTwelve rotatable and flippable petals. Three of them are flipped at once.
Jugo FlowerA very rare puzzle in the tradition of "Lights Out".
Küblbeck BrainballAn advertisement for whole sale traders for car spare parts in east Bavaria and Upper Austria.
Magic ClockA rare variant of Rubik's Clock of unknown origin and date.
Magnetic Magic Clock 5A larger version of Rubik's Clock with 11 clocks in a pentagonal (not perfectly) pattern and 5 knobs.
Mini ClockA smaller version of Rubik's Clock with just 4 clocks.
Mini HexA smaller version of the Impuzzle Blues. A hexagon with three pieces per edge.
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