Products Kasuya Inc.

Kayoko Kasuya

Kazusato Kasuya

In a block inlaying puzzle, each of a plurality of blocks in a set has a plan configuration consisting of at least one basic shape. A puzzle board is provided with a block inlaying recess in which the set of blocks is inlaid. The block inlaying recess has a bottom surface and a peripheral wall surface surrounding a periphery of the bottom surface. The bottom surface has a configuration in which a plurality of the basic shapes are assembled together. A plurality of block guides arranged on the bottom surface of the block inlaying recess and/or marks applied to selected ones of the blocks impose as restrictions on inlaying of the set of blocks in the block inlaying recess.

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Kariya, Japan

Kayoko Kasuya