Puzzles

M shaped metal puzzle
What are those metal puzzles called?What are those metal puzzles called?Disentanglement puzzles (also called entanglement puzzles, tanglement puzzles,...
Metal wire puzzle
What are those metal puzzles called?What are those metal puzzles called?Disentanglement puzzles (also called entanglement puzzles, tanglement puzzles,...
Steel puzzle
What are those metal puzzles called?How do I fix my brain teaser?What are those metal puzzles called?Disentanglement puzzles (also called entanglement...