Auto Mechanic’s Challenge Wood Puzzle | Personalizable Gift classroom The Revolving Century puzzle was

The Revolving Century puzzle was the subject of a May 2025 mathematical analysis by Cleve Moler on the MathWorks "Cleve's Corner" blog

Our version is 4

The set measures about 7

Mike Czerwinski sent me a brilliant analysis of the mental thought process required to solve it

Auto Mechanic’s Challenge Wood Puzzle | Personalizable Gift classroom The Revolving Century puzzle wasAn original and challenging 18 piece puzzle created using at least 5 different types of wood. Can you place the pieces back into the frame? Great gift for your favorite auto mechanic. Also looks great in the office or in the lobby to entertain customers while they wait. PUZZLE SPECIFICATIONS *Difficulty Level 4 (out of 5) *Number of Pieces 18 *Number of Players 1 *Recommended Age 12 and up *Dimensions 7. 5" x 7. 5"x 7. 5" Woods are precision laser cut