mechanical puzzle
puzzle presented as a set of mechanically interlinked pieces
disentanglement puzzle
Simple games in topology
Snake cube
3-D puzzle
Peg solitaire
Board game for one player
Yoshimoto Cube
polyhedral mechanical puzzle toy invented in 1971
Tower of Hanoi
mathematical game or puzzle
Chinese puzzle ball
concentric hollow spheres carved from a single solid block
puzzle box
box that can be opened only by solving a puzzle
combination puzzle
also knows as twisty puzzles, turning puzzles and Rubik's puzzles
impossible bottle
Bottle with an item larger than the neck
Puzzle cube
type of mechanical puzzle
Bedlam cube
solid dissection puzzle
Missing Link
mechanical puzzle