Vintage Shackman Wooden Shapes Colors Forms Sorting Puzzle No 3426 Made in Japan

Item Description Brand: B. Shackman & Co. Model Number: No. 3426 Era: Late 1960s / 1970s Origin: Made in Japan Up for sale is a rare, complete vintage B. Shackman & Co. wooden geometric shape sorting puzzle set (Item No. 3426). Renowned for high-quality, traditional mid-century educational novelties, this heirloom-quality set is a fantastic find for antique toy collectors, Montessori educators, or those seeking retro mid-century nursery decor. Condition Details: * 100% Complete: Includes the solid wood base tray, all 12 colorful geometric column blocks (squares, triangles, circles), and the highly coveted original sliding wooden lid. * Lid Artwork: The original lithographed paper label on the sliding lid features vibrant mid-century typography and graphics. It remains firmly attached with only light age-appropriate edge wear. * Wood & Paint: The natural wood grains look beautiful. The painted geometric blocks show minor, honest edge scuffing from gentle historic play, adding to its authentic vintage character. No cracks, major structural damage, or missing components.  The bottom edge of the lid displays the iconic branding data confirming its authentic Japanese manufacturing and Shackman distribution history. Please review all high-resolution photos to verify the excellent physical condition of this vintage set. Shipping: Will be packed securely in bubble wrap and shipped inside a sturdy box to ensure the fragile paper lid and wooden blocks arrive safely.