Shipper's Dilemma - An Incredibly Difficult 17 Piece Wood Puzzle brain teaser for teens place the Key in the

place the Key in the maze

Measures 4" x 4" and comes with a separate cover

IMPORTANT: The gears are sold individually

The standard size is 6" x 3"

Learn more about the Dragon Burr puzzle

Shipper's Dilemma - An Incredibly Difficult 17 Piece Wood Puzzle brain teaser for teens place the Key in theLearn more about the Shipper's Dilemma Brain Teaser Difficultly level 9 out of 10 It is an extremely hard brain teaser which effectively removes random chance from the solution. The puzzle consists of 17 pieces in 3 different shapes. Your goal is to use them to reform the cube. Think you have what it takes to solve it? Originally called Conways Packing Box, it was developed by a Cambridge University Mathematician who said it is nearly impossible to do