Alternative versions of Tsukuda square with a several animals instead of coloured or numbered pieces.

• Inventor: Toshihisa Suga
• Mechanism: Intersecting plungers
• Patents: GB2101897
• Producer: Tsukuda Original
• Year: 1982
• Original Price: $0.00 USD
• Current Price: No Data

There are at least three other variants with exact the same mechanism but different pieces. They are named "Tsukuda square" or "Four by Four" depending on the market for which they were sold.
This entry is about three other variants which depict animals instead of coloured or numbered pieces.

For images 3,5,7:
Courtesy, The Lilly Library, Indiana University, Bloomington, Indiana.

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