brain puzzles

Roto Brain: 3D Puzzle Sphere Brain Teaser Game to Fidget, Ages 8+

Brain Games - Puzzles and Quizzes: The Bible - by Publications International Ltd & Brain Games (Spiral Bound)

Second-Degree Green Belt Kakuro - (Martial Arts Puzzles) by Conceptis Puzzles (Paperback)

Puzzling Escapes the Secret of Shipwreck Island - by Beth Martin (Spiral Bound)

Mensa(r) Mind Benders - (Mensa(r) Brilliant Brain Workouts) by David Millar (Paperback)

The Imposter Puzzle Book - (The Escapist's Library) by Roland Hall (Paperback)

Brain Boost: 365 Brain Games for Adults - by Brendan Quigley (Paperback)

The Times Japanese Logic Puzzles - (Paperback)

Absolutely Nasty(r) Kakuro Level Three - by Conceptis Puzzles (Paperback)

Train Your Brain in Four Weeks - by Gareth Moore (Paperback)

One-Minute Mysteries and Brain Teasers - by Sandy Silverthorne & John Warner (Paperback)

Sherlock Holmes Compendium of Mysterious Puzzles - (Sirius Classic Conundrums) by Gareth Moore (Paperback)

The Puzzling Adventures of Dr. Ecco - (Dover Math Games & Puzzles) by Dennis Shasha (Paperback)

Will Shortz Presents the Puzzle Doctor: Kenken Mania - (Will Shortz Presents...) by Tetsuya Miyamoto & Kenken Puzzle LLC (Paperback)

Absolutely Nasty(r) Kakuro Level Two - by Conceptis Puzzles (Paperback)

Kakuro, Level One - (Absolutely Nasty(r)) by Conceptis Puzzles (Spiral Bound)

Wsp Fun in the Sun Kenken - by Tetsuya Miyamoto & Kenken Puzzle LLC (Paperback)

Will Shortz Presents Terrifying KenKen - (Will Shortz Presents...) by Tetsuya Miyamoto & Kenken Puzzle LLC (Paperback)

Will Shortz Presents Kenken for Your Coffee Break - (Will Shortz Presents...) by Tetsuya Miyamoto & Kenken Puzzle LLC (Paperback)

Challenging Puzzles - (Y) by Matthew Donegan (Paperback)

Etokfoks 3D Wooden Pistol Model Kit 1 Piece Rubber Band Gun Puzzle for Adults DIY Mechanical Assembly Brain Teaser Toy Gift

Will Shortz Presents Tame Kenken - by Tetsuya Miyamoto & Kenken Puzzle LLC (Paperback)

Will Shortz Presents Kenken for Your Vacation - (Will Shortz Presents...) by Tetsuya Miyamoto & Kenken Puzzle LLC (Paperback)

Will Shortz Presents Kenken to Go - (Will Shortz Presents...) by Tetsuya Miyamoto & Kenken Puzzle LLC (Paperback)