Up-Down ✱✱✱✱ von Symen

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Größe: 3.73 x 3.63 x 0.57 zoll x 1
Modellbeschreibung
Up-Down is a very peculiar box: both the top and bottom act as a lid. Packing the five pieces is a complex problem because pieces entering the box impede the...Zeig mehr movement of both the lids. There is a unique solution hwoever. Finding it requires special packing skills and geometric insight.
Über den Autor des Modells
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