一种装有四个闪光灯的小立方体，当与之连接的相机拍完一张照片后，它会自动转动到下一个未使用的灯泡。
A small cube that contains four flashbulbs and that rotates automatically to the next unused bulb when a picture is taken with the camera to which it is attached.
拼图魔方的六个面上印有图案，转动小立方体便可将图案打乱，然后再还原。
The six surfaces of the picture Mosaic magic square are printed with patterns. When the small cubes are rotated, the patterns are disturbed. Then the patterns are recovered.
应用推荐