Oskar van Deventer has invented so many puzzles over the last thirty years that he could fill up a museum with all of his creations. The one that I’m reviewing today is another great design by him, which consists of four mazes that need to be solved simultaneously.
The Medallion (originally called Four D), was initially made by George Miller in acrylic and was Oskar’s exchange puzzle at the 23rd annual IPP (International Puzzle Party). It was later picked by Hanayama for mass-production and is now sold at PuzzleMaster.
The puzzle bears a slight resemblance to [Read More...]