![](https://3.bp.blogspot.com/-aDja9vN6gmI/WHJTH5GPO7I/AAAAAAAAJ8A/yncWVb-Fv94tZ_3bopAnOzph9IaCsk7dwCPcB/s640/Merry-Go-Round%2Bpieces.jpg) |
The Merry-go-round |
Jack Krijnen offered an amasing new N-ary puzzle which was a variant of his Power tower which made it to number 6 in the
2015 best of list. This time he allowed puzzlers to choose the pieces they got in the set. Mine consists of ternary, quaternary and quinary pieces. I could have gone even higher order like Allard but figured that my poor little brain doesn't have the staying power! Jack even produced a nice little storage box:
![](https://4.bp.blogspot.com/-c21C2iWuavw/WHuFh1-_PXI/AAAAAAAAJ9U/Mk7o_B4hSzEMbuHJsv6jeV78cXpbRWATwCPcB/s400/Merry-Go-Round%2Bin%2Bbox.jpg) |
Mrs S will be pleased that they store easily! |
Just before the horrible virus hit me, I received a fantastic gift from Jakub of
Pelikan puzzles in thanks for the writing I have done for his website. He sent me another of his fabulous turned ball puzzles. This one is the Involute ball:
![](https://3.bp.blogspot.com/-WPeKvU20qMI/WHuIC6IsOTI/AAAAAAAAJ9o/J2Y-3DDUKpMJ_zGnK3zKb7wsXr43hx-LgCPcB/s640/Involute%2Bball.jpg) |
Involute |
This is perfect for going on show in the living room with the rest of my turned collection from him. I thought I would show you the puzzle it is based on - this is the original Coffin cube version which I bought from Brian Menold many years ago: