The mystery of Brainstring Original lies not only in how to untie the twisted knot of strings in the centre, but also in how it is possible to swap all the strings without tying a knot! Four groups of differently coloured strings, four strings per group, which move up, down and round all six sides of a polycarbonate bowl. Brainstring Original is not just any old puzzle; it is a work of art.
Specifications
• Age: 7 years and over•
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player• Dimensions: 14 cm
