Brainstring Spheres Puzzles and Mind Benders


Recent Toys Adanced Brainstring

These brainstring spheres and puzzles will tie your brain in knots! Pull the rubber tips and slide the colored strings through the open slots of the sphere. Creating a solid color on each side is a small task – the real challenge is untangling the knot in the middle. Make the puzzle easier or harder based on how much you tangle it up. Stretch your imagination to find the solution!