Half Hour Puzzle - Difficult Brain Teaser for Teens and Adults
4.5 (1,234)
Sold 100+ last 30 days
20% off first order
$17.00
Color
Black
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A very interesting 3x3x3 cube brain teaser with only 1 solution.
Designed by Stewart Coffin in 1975 who said that a half hour would be a good solution time. Good luck solving it under an hour!
Deb says that's a GREAT solution time! (took h...