| 摘要 |
PROBLEM TO BE SOLVED: To provided a jigsaw puzzle suitable for infant education with which not only figures of animals appear but also the infant hears their sounds emitting when the figure of the animal concerned is completed. SOLUTION: Each piece 2 of jigsaw puzzle is fitted with a magnet, and a body board 1 is equipped with Hall elements in positions mating with the magnets of the pieces to be placed in the specified positions. When all Hall elements are positioned mating with the respective magnets, it is judged that the puzzle is completed, and sounds of the animal concerned are emitted from a loudspeaker 5 in the form of voice signals, for example barking, mewing, roaring, etc. |
