| 摘要 |
PROBLEM TO BE SOLVED: To provide a learning toy using a jigsaw puzzle.SOLUTION: In a jigsaw puzzle, onto a board of the jigsaw puzzle, shapes of correct pieces are copied, where questions such as words of a foreign language, Japanese, Chinese characters, characters, and pictures are written, on reverse surfaces or surfaces of engaging pieces, or in seals pasted onto the surfaces, or between the reverse surfaces and seals, correct answers to the questions, such as translations of the words of the foreign language, words of the foreign language, readings of the Chinese characters, and readings of the characters, are written.SELECTED DRAWING: Figure 1 |
