Old puzzle. Copy produced by puzzle design Ton Delsing.9 cardboard pieces. The puzzle was patented in 1911, This variation on Thurston's puzzle was used as an advertisement for soap. The idea was to arrange the cards so that each center circle contained four different colors and each half circle contained two.
Try to open the puzzle by removing the 4 cylinders with the numbers. (2014 is year of design). Inlaid numbers. Materal acrylic.If you have problems to open it, use the green tool.But try to find out why this tool is in the BOX!!!GOOD LUCK!
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