| 摘要 |
A toy building block and a interactive set of said toy building blocks. Each side of each block is provided with a shape, either raised or recessed. There are three such shapes. Each block has at least one face with each of said shapes. There is only one raised shape portion on each block. The raised portions have a removable snap fit to matching recessed portions on other blocks. A plurality of said blocks, comprising a set, may be assembled by a child to form three dimensional structures. The half portion of each block opposing that side having the raised shape portion is identical to the opposing one half portion of every other block of the set.
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