05-06-2013 3:43 PM
05-06-2013 4:15 PM
Not a clue Steve,,,,,, but
I would have liked to have had the tray in full view for the whole of the trick.
05-06-2013 4:45 PM
It's an old puzzle Stevie - the slopes on each of the pieces is slightly different so although the pieces appear to fit exactly there are actually gaps.
It's a variation on this
https://en.wikipedia.org/wiki/Missing_square_puzzle
05-06-2013 4:48 PM
Yep, I agree with creeky, if you look really closely at the first shuffling you can actually see the lines don't quite tally in the middle too.
Reminds of a brickies pig in the wall.;-)