The Pennyhedron puzzle was designed by Stewart Coffin, with some help and inspiration from his children. As the story goes, his kids used to glue puzzle blocks together in his shop which inspired him in the direction of the Pennyhedron. This is a clever puzzle with only 2 pieces, which he and his children used to sell with a penny inside hence the name.
This a wonderful box with an engaging puzzle. Closing in on 26 years old this puzzle is in pristine shape and has been in storage for about that long. It's time puzzle find a good home.
The YOT puzzle is a shiny metal disc that comes with a real US silver dollar. The challenge is to open the YOT and remove the coin without power tools. Comes in original box with paper.
Year: 1971Manufacturer: Four GenerationsModel: 203Designer: UnknownDimensions: 4″ x 4″ x 1 3/4″Ages: Made in: USAFour Generations games were made in Sebastopol, California and used primarily black walnut.
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