Jean-Claude Constantin’s ingenious puzzles are a big cut above your typical bar puzzle!  Ranging in difficulty from moderate to insane, this clever French puzzle-master produces beautiful  puzzles in wood, plastic and metal in a variety of formats and sizes.  From conventional metal puzzles to all kinds of labyrinth concepts to modern and unique twists on jigsaws and Tangram-style shape-fitting puzzles, challenges abound in this inventor’s creations.  If you’ve got puzzlers in your family, there should be a Constantin puzzle or two in your home.