A table tangler is a square tile with a hole in the center and cubies at the corners resembling a coffee table frame. Fourteen tanglers, ten closed and four open,...Show more can form an interlocking 4x8x8 block. Construction of such a block will reveal the puzzle's exciting aesthetics, but in fact this is only a warming up puzzle. The real challenge is to make this structure inside the cage. With a unique solution this is nothing less than an abominable task.