Wooden Burr & Japanese Kumiki Puzzle Collection. Circa 1930s-1990s. Group of 23 wooden burr and Japanese Kumiki sculptural take-apart / put-together puzzles. Many made in Japan, several pre-war. Includes a military tank (in original packaging with instructions), bottles (2), trapped ball / cage (2), solid cubes (2), crosses (3), stars, “pick-a-peg”, a set of four complex burr puzzles with assembly diagrams, Nob’s Cross Hikimi Collection “Dualock” Wooden Puzzle, Criss Cross solid walnut puzzle from Star Products, Inc., and others. Largest 6 x 6 x 6”; smallest 2 x 2 x 2”. Together with three small examples of Japanese joinery. Very good overall.