The Double Revolving Century Wood Puzzle | 2 Wooden Puzzles in One Wooden Marbles Game Most recipients figure it out

Most recipients figure it out within minutes once they spot the cue

Handcrafted by Creative Crafthouse with Stewart Coffin's permission

Sixteen times more difficult than Safecracker 40 (which uses four rings to sum 40)

keeping you entertained for hours

The Double Revolving Century Wood Puzzle | 2 Wooden Puzzles in One Wooden Marbles Game Most recipients figure it outThe Holiday Christmas gift for the smartest person you know. Perfect gift for engineers, parents, mom, dad, coworkers, and grandparents who LOVE a serious challenge. Another of our unique designs and this one has 2 puzzles in 1. The object of both puzzles is to turn the 6 hardwood wheels such that all columns add to 100 at the same time. There is a SUPER difficult side with 12 columns of numbers. There are over 248,000 possible permutations with 1