Original plus sequel Metal Enigmas
Cast enigmas, machined burrs, impossible dovetails — objects that look like jewelry and behave like riddles with opinions. Most fit in a pocket; few leave it solved.
Original plus sequel 
31-puzzle library Exclusive Metal Puzzle Library: 31 Unique Brain Teasers by Hanayama and Tetso
Tetso Puzzles
Guests will ask ✦✦✦✦✦
Ten-band trap 
Three Strijbos icons 
Ure's first two 
21 Hanayama classics 
Signed dovetail study 
Six-step brass hostage 
Seven-stage negotiation 
Locked brass flask 
17-piece metal menagerie 
Einstein Lateral Thinking Game - Family Trivia Board Game
University Games · wick out
