THE MAGIC EGG. No. 17. 106 Problems each requiring all stones.
Germany: F. Ad. Richter & Cie, No date [circa 1930’s]. Comprising of a cardboard box containing an egg-shaped stone puzzle of 9 pieces; and a booklet with 48 pages of diagrams showing the puzzles that can be made from the pieces. The inside of the box lid has a diagram showing how the egg should be assembled. One piece chipped; else a very good example of this puzzle.