At IPP 28 2008 in Prague the participants received a cardboard drawing of this puzzle. I enjoyed making a few, this is the last one I have. An additional slide holder with the history of the towerMaterial MDF.The pieces are covered with transparent foil. You can slide without damage.
Exchange PUZZLES with PUZZLES. The center piece can only slide up and down. Pieces cannot fall out through the transparent top plate. More assignments on the back of the puzzle. Material MDF.The letters are covered with transparent foil. You can slide without damage.
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