| 摘要 |
<p>A jigsaw puzzle including a base 10, a number of conductors 20,21 disposed on the base and arranged in a line, a switch 30 disposed between every two adjacent conductors, a number of jigsaw pieces 82 can be disposed upon the switches, a sounding device 71 connected between two of the conductors and sending out a sound when all of the switches are depressed by the jigsaw pieces and when all of the jigsaw pieces are disposed in place. <IMAGE></p> |
