In this particular version designed by Bill Cutler, 5 moves are needed before the first piece can be removed.
Mechanical Engineering | mechanical engineering | Mechanical engineering | Institution of Mechanical Engineers | Royal Electrical and Mechanical Engineers | Super Puzzle Fighter II Turbo | Mechanical equilibrium | Alabama Agricultural and Mechanical University | Timothy Parker (puzzle designer) | puzzle | Puzzle video game | puzzle video game | Puzzle | Mechanical Turk | The New York Times crossword puzzle | The Mechanical Universe | Mechanical ventilation | Linkage (mechanical) | jigsaw puzzle | Gonzo the Mechanical Bastard | Defence College of Electro-Mechanical Engineering | Amazon Mechanical Turk | World Puzzle Championship | Royal Electrical and Mechanical Engineers (REME) | Puzzle Quest | Puzzle Play | Puzzle (Narnia) | Puzzle (Kanjani Eight album) | Proceedings of the Institution of Mechanical Engineers | North of England Institute of Mining and Mechanical Engineers |
A self-described metagrobologist, he is most famous for his cube notation to the Rubik's Cube (i.e., what letters denote what face to turns on the Rubik's Cube) and his huge personal collection of mechanical puzzles and books of brain teasers.