6 out of 7
$38.99 The objective of 6 out of 7 is to put one of the seven pieces (all tetrahexes) into the tortoise and use the remaining 6 to fill the upper tray completely. Based on the question raised by James Kerley.
4 other symmetrical shapes with the same rule available + 5 shapes that have only one solution with just one subset of 6 pieces.
Design: © Alexander Magyarics
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