Brainstring “R” IQ game


Brainstring R is an IQ puzzle that needs you to twist and turn the pieces to undo the internal string configuration. Uses logic and fine motor skills!

Availability: 2 in stock

The popular Brainstring has been turned inside out! Brainstring R is just as knotty as the original, but features a movable ball with a 360° spin that will have you on the ropes. Twist, turn, stretch and slide the puzzle in all directions to unravel the tightly wound knot. Once the strings are completely separated, the puzzle is solved – no strings



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