| 摘要 |
<p>The assembly box for a puzzle has individual identical blocks (2-4) which can be assembled into groups of nxnxn (n equals 3,4,5) blocks. The blocks are of identical size and shape with open sides. Each block has releasable connectors on two adjacent faces to allow gap free connection of adjacent blocks. The blocks have two parallel spaced beams of different section to define the periphery of the connector.</p> |
