Abstract: An observe/reverse link convection siphon toy ornament with three layers and four chambers device to be connected by special channel to attain the effect of balance between the fluid and air, the normal state of the flow of the fluid is able to be changed without externally applying power of a cell, and varied cards, such as, doll, cartoon, asdvertisement, etc., may be installed in it arbitrarily to fulfill the purpose of playing, seeing and enjoying.