Extreme Set - 4 Disentanglement Metal Puzzles

Designed for the gifted or experienced problem solver, this range is no stroll in the park. The four challenges are well beyond the abilities of the

Expert Set - 4 Disentanglement Metal Puzzles-3362EU

Metal Puzzle Untie Ring Buckle Iron Link Unlock Interlock Game

Level 4: Hard, Page 6

SET 10 METAL PUZZLES EUREKA - RED SET - Logica Puzzles

Metal Jigsaw Puzzle

Mechanical puzzle - Wikipedia

Difficult Rating of puzzles

Cannon - Brainteaser Metal Puzzle-MY350

METAL PUZZLE SET - Comes with 8 different style metal wire puzzles and a beautiful color box packaging. It is a good choice for your gifts

Metal Puzzle Set, Brain Teaser Metal Wire Puzzles for Kids and Adults - Mind Game 3D IQ Jigsaw, Set of 8 (Blue Style)