Building on the classic 3x3 design, this super model is 4x4! What's puzzling is that it's not harder to solve than the original cube, but it does require some different twists and turns. Can you handle it?
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 ...
Bigger cars, bigger grid, 50 new challenges even for younger
kids! It's a switchman's nightmare: The freight yard is jammed with boxcars, tankcars, locomotives, cabooses, and bulky baggage platforms. Can ...