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Intersecting Plungers
Brams SquareA puzzle which combines intersecting plungers with rotations of large portions.
Colors CrossTwo plungers and one rotation used to move nine pieces.
Crossover puzzleA puzzle back from the early 1980s produced by Nintendo. It works with intersecting plunges and polarised light.

Double CrossOne plunger and two rotations used to move ten pieces.
Elemental:AluminiumA heart-shaped variant of Elemental:Fluorine with four additional pieces.
Elemental:ArgonAn enhanced version of Elemental:Beryllium-10

Elemental:Beryllium-10The third member of the series of Elementals. This time there are 4 plungers of which 2 are side by side.
Elemental:ChromiumThe holy grail of the Elemental-series.
Elemental:FluorineA very close relative to the Elemental:Neon from the same inventor.

Elemental:NeonThe first element in a whole series of puzzles working with plunger under- and overlapping each other.
Elemental:ScandiumAn Elemental:Fluorine enhanced but splitting the plunger and thereby adding twelve triangles.
Elemental:SulfurAn Elemental:Neon enhanced but splitting the plunger and thereby adding six triangles.

Flip-SideTen tiles, one rotatable plane and two additional plungers.
HorVer-PuzzleFour pairwise intersecting plungers with sixteen pieces.
itSimilar to Tsukuda's Square. Marketed in Britain.

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