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Race to Unravel the World's Greatest Brain Teasers!
A steady stream of people enter Butch's place of business and remove its treasured belongings without paying. Butch lets them continue as long as they keep their mouths shut. What type of business employs Butch and what are the people taking?
Gradually reveal clues that help solve half of a mystery -- then race to solve it.
It's so Knotty! Building on the success of the original,
this advanced version adds more sides, colored strings and easy to grasp rubber tips. More challenging than the original, Brainstring ...