Boxed Litho on Wood Puzzle Set and Architectural Blocks

1900: Germany. Set complete with the exception of one of the picture models. Significant wear on picture models; one partially lacking. Missing surface litho on portion of two of the pieces. Heavy wear and missing litho on covers.. Four (4) different litho on wood jigsaw picture puzzles (Two puzzles printed on both sides). What makes this particularly interesting is that the pieces can also be used to create the architectural elements noted on the inside of the box lid. Housed in a wooden box. Also includes three of four of the picture guides. Measures 6 1/2" x 16". Marked D.R.G.M. 77392.