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Given six rooms, a body, up to 11 suspects, and a challenge card providing a set of clues, deduce who must be in the room with the body, and therefore be the murderer.
An old game show called "Let's Make A Deal" was hosted by Monty Hall.
The cube and box contain hidden magnets and a mechanism that prevents the cube from seating in the container until it is properly oriented and deliberately inserted.
I include this puzzle here rather than in the "Packing" category since the magnets are integral to its operation.
Conundrums, Enigmas, Posers, Riddles, Quandaries, Rebuses, Catches, Brain-Teasers...
The second is a really nice version made by Eric Fuller in 2008.The company name was eventually changed to Design Science Toys Ltd.Balance of Power A dexterity puzzle or a game - the blocks have detents at various positions.Among the most noted puzzle chroniclers of the Nineteenth Century are the Brits Henry Ernest Dudeney (1857-1930) (Amusements in Mathematics, 1917), Professor Hoffmann (pen-name of the Reverend Angelo John Lewis, 1839-1919) (Puzzles Old and New, 1893), and Walter William Rouse Ball (1850-1925) (Mathematical Recreations and Essays 1892), and the American Sam Loyd (1841-1911) (Cyclopedia of 5000 Puzzles 1914).The classic game of logical deduction Clue has been simplified and turned into a solitaire puzzle game called Clue Suspects.
I have added this section on logic puzzles so that I can document several puzzles that, while only occasionally presented as mechanical puzzles with physical pieces, have nevertheless provided some entertainment to me and my friends.