Thoughtful gifts for curious people
£17.99
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Four groups of different coloured strings that can move up, down and around all six sides of a polycarbonate shell. Can you untie the knot? Or tie another? And what beautiful symmetries will you create whilst you try?
Comes boxed.
Recommended age range: 9+
Collections: All Products , Design , Engineering , Fun Stuff , Games , Games and Puzzles , Science , The Arts