| 摘要 |
The invention relates to a book structure which comprises: - at least a page defining a first layer (10) provided with at least a drawing and a detachable three-dimensional element (11); - a second layer (20) overlappable to the first layer (10) and provided with one or more elements (21) to be associated to said at least element (11) of the first layer (10) to complete the same element; - a third layer (30) overlappable to the second layer (20) and provided with one or more elements (31) to be associated to the elements (11, 21) provided on the first layer (10) and second layer (20) to complete the same elements.
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