摘要 |
A casing (101) encloses a hollow space (103) and a body (105) in it with its frame (102). The hollow space's height and depth dimensions match the body's dimensions in such a way that the body moves to and fro in a certain direction (110) inside the hollow space of the casing. The body takes the form of a box, a letter, a number, a firm's logo, a symbol, an animal, etc. An Independent claim is also included for a method for attracting attention to an advertising device.
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