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£20.14

Description

The mystery of Brainstring Original isn't just how to untie a twisted 'knot' of strings in the centre, but how it can be that all its strings can be interchanged - WITHOUT creating a knot! Four groups of different coloured strings, four strings per group, moving up, down and around all six sides of ...

Price history

Lowest price for Brainstring - Level 3/5 G3 8717278850016 over the last 90 days.

Lowest price in 90 days

Lowest priceTrend
Current lowest
£20.14
90-day low
£20.14 (13 Oct)
90-day high
£21.99

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