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Just as knotty as the original, Brainstring ‘R’ features an internal sphere with 360-degree spin. Twist, turn, stretch and slide the colored buttons in every direction to unravel the twist of strings in the centre. Congratulations, you’ve solved the puzzle—but now can you re-tie the ‘knot’? This one will have you on the ropes!
Take it for a spin
Delivery : Fast despatch from large stocks held in our own warehouse.
All deliveries by Royal Mail fully tracked service.
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