The concept design for this puzzle is similar to the Murbiter's Pseudo Burr. Like the Pseudo Burr, New Tam's Burr looks like an ordinary 6-piece burr from the outside. This one is made of a heavy exotic hardwood (I am not sure what it is) and consist of various blocks glue together. Construction is very good with the puzzle coming in its own box and instructions. One thing I am not sure of is what is the meaning of the name and the "R-End" bit??
The object is to dis-assemble and then re-assemble the 3 pieces which when taken apart, look uncannily similar to each other. And because of this, once you take it apart and scramble the pieces, you may have some difficulty putting the pieces back to the original state, particularly if you get their orientations wrong. A rather clever design as the designer has not only managed up the challenge quotient with similar looking pieces but also by the way the pieces connect to each other without leaving an voids in the centre of the puzzle.
Is it difficult to take apart? No, once you figure out which one of the pieces needs to be the first to move. What about re-assembly? Yes, harder obviously; but because there are only 3 pieces, its not difficult as such with some persistence. There are only so many ways available for randomly trying to connect all three together (and the signature on one of the pieces also helps).
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