- Original vintage Kurt Naef wood brain teaser puzzle, "Quadron" #9603;
- Designed by Jost Hanny;
- Made in Switzerland;
- Includes original box and Solutions pamphlet. The puzzles fit in a 4.25 inch x 2.5 inch x 1.7 inch box;
- Good condition- it is vintage, so be sure to see condition box and photos for details;
- Please be aware that signature confirmation may be required for delivery (Feel free to contact us via eBay with any questions).