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Crystal Ring


Designer: Osanori Yamamoto

This puzzle measures: 55 mm x 55 mm x 40 mm

Material: depends on product variant below

Move: 2.5.7

Kevin Sadler wrote about it :

Also in the upcoming release from Pelikan is another of those
wonderfully simple-looking packing puzzles based on a 3x3x2 box cavity
with an interesting entry shape. The Crystal Ring has been beautifully
made. Pack the 3 pieces inside…easy peasy! Nope! It requires a 2.5.7
sequence to pack it correctly and involves a very nice little dance of
the pieces around each other. The assembly is made tougher by the
shape of the pentomino piece really restricting the placement of the
other two pieces and is not helped by the fact that the other two are
identical. When I tried my assemblies outside of the box it always
felt like the tetrominoes should be mirror images to fit around the
other piece. The final arrangement of the pieces is quite
counterintuitive – the eventual assembly is very satisfying!
Osanori-san and Pelikan definitely got it right this time – wonderful!



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