| 摘要 |
The book can be stood on edge for use as a toy. The book pages are not turned in the conventional manner, but are rolled. The long edges of the pages are connected leporello-like, and the two outer edges are also connected to each other. This means that there is neither beginning nor end to the book, and it can be turned to left or right. Individual pages form a polygon, and the page number is always divisible by two. The pages may have cut-outs, so that the book may be used as a toy or for learning purposes. The book pages consist of cardboard or another suitable material.
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