| 摘要 |
PROBLEM TO BE SOLVED: To help develop deftness of hands of a user by requiring the user to set pieces in holes with both hands simultaneously. SOLUTION: The pieces are picture cards, and pictures are drawn on each face of a box. A plurality of cards can be inserted into the box by combining the picture cards and the pictures on the box. Since the shapes of holes bored on the box are varied, it can make hands of the user deft and can help develop the creativity of the user by varying the shapes of the picture cards from a circle to a half circle, etc. COPYRIGHT: (C)2005,JPO&NCIPI
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