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The first 6 cast puzzle series that was sold, including Cast "ABC" and Cast "KEY" etc. |
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Use The horseshoe of the Western American as the theme, and 8 items which include 2 works of the Dutch puzzle inventor Oskar |
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Included Cast "STAR", which is sold at first. in addition 6 unique items are included. |
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8 items which have the features of the ring puzzle and the with special designs. |
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Included Cast "SPIRAL", which is very popular, and, Cast Ring2, which is invented in the Athens Olympic year. |
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4 items are included in the category which requires higher logical thinking and further evolution |
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The size are small, but it is as challenging as the original cast puzzles. The marine cast series is managed by the puzzle designer Akio Yamamoto. Total 6 items are included. |
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