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Hard Brainteasers(105)
Uses item details. Price when purchased online
Fun Brain Teaser Books for Kids 100 Hardest Brain Teasers for Kids: Hard and Tricky Brain Teaser book for Kids - Fun Riddle Books for Kids - Good Learni, (Paperback) $6.95

$695
current price $6.95Fun Brain Teaser Books for Kids 100 Hardest Brain Teasers for Kids: Hard and Tricky Brain Teaser book for Kids - Fun Riddle Books for Kids - Good Learni, (Paperback)
Logic & Brain Teasers Logic Puzzles: 500 Hard Adults Puzzles (Sudoku, Kakuro, Hitori, Minesweeper, Masyu, Suguru, Binary Puzzle, Slitherlink, , Book 18, (Paperback) $9.99

$999
current price $9.99Logic & Brain Teasers Logic Puzzles: 500 Hard Adults Puzzles (Sudoku, Kakuro, Hitori, Minesweeper, Masyu, Suguru, Binary Puzzle, Slitherlink, , Book 18, (Paperback)
Best seller Brain Games Brain Games - Criminal Mind Puzzles: Crime-Themed Brain Teasers Visual, Verbal, Memory & Logic Puzzles Spiral Bound Acti, (Spiral-Bound) $8.43
Best seller

$843
current price $8.43From $4.54
Brain Games Brain Games - Criminal Mind Puzzles: Crime-Themed Brain Teasers Visual, Verbal, Memory & Logic Puzzles Spiral Bound Acti, (Spiral-Bound)
294.3 out of 5 Stars. 29 reviews
Logic & Brain Teasers: Tons of Logic Puzzles: 1000 Hard Variety Puzzles (Paperback) $12.21

$1221
current price $12.21Logic & Brain Teasers: Tons of Logic Puzzles: 1000 Hard Variety Puzzles (Paperback)
BrainPLAY Nearly Impossible Puzzles: Highlights Puzzle Book for Kids with Super Hard Brain Teasers, Logic Games, Hidden Objects and Wordplay for Puzzle Lovers Ages 7 and Up (Paperback) $8.69

$869
current price $8.69BrainPLAY Nearly Impossible Puzzles: Highlights Puzzle Book for Kids with Super Hard Brain Teasers, Logic Games, Hidden Objects and Wordplay for Puzzle Lovers Ages 7 and Up (Paperback)
Best seller Ultimate Puzzle Challenge!: 125+ Brain Games for Kids, Mazes, Brain Teasers, Word Searches, Crossword Puzzles, Sudoku, Logic Puzzles and More, Kids Activity Book (Paperback) From $3.99
Best seller

2 options
Available in additional 2 optionsFrom$399
Ultimate Puzzle Challenge!: 125+ Brain Games for Kids, Mazes, Brain Teasers, Word Searches, Crossword Puzzles, Sudoku, Logic Puzzles and More, Kids Activity Book (Paperback)
1504.7 out of 5 Stars. 150 reviews
Best seller Large Print Brain Teaser Puzzle Books More Large Print Logic Puzzles: 50 Logic Grid Puzzles: Contains fun puzzles in font size 16pt, Book 4, (Paperback) $9.95
Best seller

$995
current price $9.95Large Print Brain Teaser Puzzle Books More Large Print Logic Puzzles: 50 Logic Grid Puzzles: Contains fun puzzles in font size 16pt, Book 4, (Paperback)
73.9 out of 5 Stars. 7 reviews
Logic & Brain Teasers: Tons of Calcudoku for Adults & Seniors: 1000 Easy to Hard Puzzles (Paperback) $12.09

$1209
current price $12.09Logic & Brain Teasers: Tons of Calcudoku for Adults & Seniors: 1000 Easy to Hard Puzzles (Paperback)
Challenging Fun Brain Teasers Logic Puzzles & Brain Games for Adults: 500 Easy to Hard Puzzles & 12 Puzzle Types (Sudoku, Fillomino, Battleshi, Book 4, (Paperback) $9.99

$999
current price $9.99Challenging Fun Brain Teasers Logic Puzzles & Brain Games for Adults: 500 Easy to Hard Puzzles & 12 Puzzle Types (Sudoku, Fillomino, Battleshi, Book 4, (Paperback)
Difficult Riddles for Smart Kids: 400 Difficult Riddles And Brain Teasers Families Will Love (AGES 8-12), (Paperback) $7.99

$799
current price $7.99Difficult Riddles for Smart Kids: 400 Difficult Riddles And Brain Teasers Families Will Love (AGES 8-12), (Paperback)
15 out of 5 Stars. 1 reviews
Brain Games for 10 Year Olds: Fun and Challenging Brain Teasers, Logic Puzzles, and More for Kids, (Paperback) $10.81

$1081
current price $10.81Brain Games for 10 Year Olds: Fun and Challenging Brain Teasers, Logic Puzzles, and More for Kids, (Paperback)
25 out of 5 Stars. 2 reviews
Best seller The Ultimate Brain Games And Puzzles Book For Adults: Tricky But Fun Brain Teasers, Trivia Challenges, Crosswords, Word , (Paperback) $8.99
Best seller

$899
current price $8.99From $6.53
The Ultimate Brain Games And Puzzles Book For Adults: Tricky But Fun Brain Teasers, Trivia Challenges, Crosswords, Word , (Paperback)
444.6 out of 5 Stars. 44 reviews
Logic & Brain Teasers Adult Activity Book: 500 Hard Logic Puzzles (Sudoku, Tridoku, Masyu, Hakyuu, Battleships, Fillomino, Suguru, Creek, Numb, Book 26, (Paperback) $9.99

$999
current price $9.99Logic & Brain Teasers Adult Activity Book: 500 Hard Logic Puzzles (Sudoku, Tridoku, Masyu, Hakyuu, Battleships, Fillomino, Suguru, Creek, Numb, Book 26, (Paperback)
Perfectly Logical! : Challenging Fun Brain Teasers and Logic Puzzles for Smart Kids (Paperback) From $4.45

2 options
Available in additional 2 optionsFrom$445
Perfectly Logical! : Challenging Fun Brain Teasers and Logic Puzzles for Smart Kids (Paperback)
154.3 out of 5 Stars. 15 reviews
Logic & Brain Teasers: Logic Puzzles For Adults & Seniors: 1000 Hard Variety Puzzles (Paperback) $15.47

$1547
current price $15.47Logic & Brain Teasers: Logic Puzzles For Adults & Seniors: 1000 Hard Variety Puzzles (Paperback)
The World's 200 Hardest Brain Teasers: Mind-Boggling Puzzles, Problems, and Curious Questions to Sharpen Your Brain $40.28

$4028
current price $40.28The World's 200 Hardest Brain Teasers: Mind-Boggling Puzzles, Problems, and Curious Questions to Sharpen Your Brain
Train Your Brain Train Your Brain: Math Games: (Brain Teasers for Kids, Math Skills, Activity Books for Kids Ages 7+), (Paperback) $9.90

$990
current price $9.90Train Your Brain Train Your Brain: Math Games: (Brain Teasers for Kids, Math Skills, Activity Books for Kids Ages 7+), (Paperback)
Difficult Riddles for Smart Adults: 300 Brain Teasers, Trick Questions and Fun Challenges - A Love for Creative Thinking, (Paperback) $7.99

$799
current price $7.99Difficult Riddles for Smart Adults: 300 Brain Teasers, Trick Questions and Fun Challenges - A Love for Creative Thinking, (Paperback)
12 out of 5 Stars. 1 reviews
Logic & Brain Teasers Large Print Brain Games: 100 Hard Adults Puzzles (Kakuro, Samurai Sudoku, Hakyuu, Minesweeper, Samurai Jigsaw Sudoku), Book 30, (Paperback) $9.99

$999
current price $9.99Logic & Brain Teasers Large Print Brain Games: 100 Hard Adults Puzzles (Kakuro, Samurai Sudoku, Hakyuu, Minesweeper, Samurai Jigsaw Sudoku), Book 30, (Paperback)
500 Riddles for Clever Kids: Brain Teasers for the Whole Family, (Hardcover) $9.99

$999
current price $9.99From $6.47
500 Riddles for Clever Kids: Brain Teasers for the Whole Family, (Hardcover)
15 out of 5 Stars. 1 reviews
The Ultimate Brain Games And Puzzles Book For Teens: Tricky But Fun Brain Teasers, Trivia Challenges, Crosswords, Word S, (Paperback) $9.87

$987
current price $9.87The Ultimate Brain Games And Puzzles Book For Teens: Tricky But Fun Brain Teasers, Trivia Challenges, Crosswords, Word S, (Paperback)
114.8 out of 5 Stars. 11 reviews
Logic & Brain Teasers: Tons of Hakyuu for Adults & Seniors: 1000 Easy to Hard Puzzles (10x10) (Paperback) $12.09

$1209
current price $12.09Logic & Brain Teasers: Tons of Hakyuu for Adults & Seniors: 1000 Easy to Hard Puzzles (10x10) (Paperback)
Logic & Brain Teasers Tons of Binary Puzzle for Adults & Seniors: 1000 Easy to Hard (10x10), Book 67, (Paperback) $14.99

$1499
current price $14.99Logic & Brain Teasers Tons of Binary Puzzle for Adults & Seniors: 1000 Easy to Hard (10x10), Book 67, (Paperback)
Logic & Brain Teasers: Tons of Jigsaw Sudoku for Adults & Seniors: 1000 Easy to Hard Puzzles (Paperback) $12.09

$1209
current price $12.09Logic & Brain Teasers: Tons of Jigsaw Sudoku for Adults & Seniors: 1000 Easy to Hard Puzzles (Paperback)
Brainplay Puzzle Books Brainplay Most Challenging Picture Puzzles Ever: 144 Pages of Visual Puzzles and Brain Teasers for Kids 7 and Up, Hidden, (Paperback) $12.99

$1299
current price $12.99Brainplay Puzzle Books Brainplay Most Challenging Picture Puzzles Ever: 144 Pages of Visual Puzzles and Brain Teasers for Kids 7 and Up, Hidden, (Paperback)
Puzzle and Activity Books for Men Dad's Garage Brain Teasers: 120 Brain Teaser Challenges for Dads Who Love Cars, (Paperback) $9.99

$999
current price $9.99From $9.99
Puzzle and Activity Books for Men Dad's Garage Brain Teasers: 120 Brain Teaser Challenges for Dads Who Love Cars, (Paperback)
The 100 Best Brain Teasers for Kids: A Mind-Blowing Challenge of Wordplay, Math, and Logic Puzzles, (Paperback) $5.65

$565
current price $5.65From $5.09
The 100 Best Brain Teasers for Kids: A Mind-Blowing Challenge of Wordplay, Math, and Logic Puzzles, (Paperback)
Logic & Brain Teasers Large Print: Puzzle Book for Adults: 100 Hard Variety Puzzles (Samurai Sudoku, Kakuro, Minesweeper, Hitori and Sudoku 16, Book 28, (Paperback) $9.99

$999
current price $9.99Logic & Brain Teasers Large Print: Puzzle Book for Adults: 100 Hard Variety Puzzles (Samurai Sudoku, Kakuro, Minesweeper, Hitori and Sudoku 16, Book 28, (Paperback)
Logic & Brain Teasers Tons of Masyu for Adults & Seniors: 1000 Easy to Hard Puzzles (9x9), Book 34, (Paperback) $14.99

$1499
current price $14.99Logic & Brain Teasers Tons of Masyu for Adults & Seniors: 1000 Easy to Hard Puzzles (9x9), Book 34, (Paperback)
Logic & Brain Teasers: Tons of Sudoku for Adults & Seniors: 1000 Hard Puzzles (Paperback) $15.66

$1566
current price $15.66Logic & Brain Teasers: Tons of Sudoku for Adults & Seniors: 1000 Hard Puzzles (Paperback)
Brain Teaser Puzzles for Adults Hard to Expert: Hard Puzzles for Adults and Seniors to Keep Your Mind Sharp (Large Print) (Paperback)(Large Print) $11.99

$1199
current price $11.99Brain Teaser Puzzles for Adults Hard to Expert: Hard Puzzles for Adults and Seniors to Keep Your Mind Sharp (Large Print) (Paperback)(Large Print)
Logic & Brain Teasers Tons of Binary Puzzle for Adults & Seniors: 1000 Easy to Hard (10x10), Book 32, (Paperback) $14.99

$1499
current price $14.99Logic & Brain Teasers Tons of Binary Puzzle for Adults & Seniors: 1000 Easy to Hard (10x10), Book 32, (Paperback)
BrainPLAY Top Secret Spy Puzzles and Codes: Puzzle Book Packed with Brain Teasers and Hidden Pictures Challenges for Kids 7 and Up (Hardcover) $13.49 Was $14.99

Now$1349
current price Now $13.49, Was $14.99$14.99
BrainPLAY Top Secret Spy Puzzles and Codes: Puzzle Book Packed with Brain Teasers and Hidden Pictures Challenges for Kids 7 and Up (Hardcover)
Logic & Brain Teasers Logic Puzzles: 500 New Hard Puzzles (Battleships, Hakyuu, Sudoku, Kakuro, Hitori, Suguru, Binary Puzzle, Minesweeper, Ma, Book 20, (Paperback) $9.99

$999
current price $9.99Logic & Brain Teasers Logic Puzzles: 500 New Hard Puzzles (Battleships, Hakyuu, Sudoku, Kakuro, Hitori, Suguru, Binary Puzzle, Minesweeper, Ma, Book 20, (Paperback)
Kunlektra Brain Teaser 1000+ 9 x 9 Kakuro Puzzle Book for Adults: Enhance your Memory and Brighten up your Mind with Kak, (Paperback) $8.82

$882
current price $8.82Kunlektra Brain Teaser 1000+ 9 x 9 Kakuro Puzzle Book for Adults: Enhance your Memory and Brighten up your Mind with Kak, (Paperback)
Bible Puzzle Brain Games for Seniors: Brain Teasers for Adults and Seniors Brain Puzzzles Based on the Bible $6.97

$697
current price $6.97Bible Puzzle Brain Games for Seniors: Brain Teasers for Adults and Seniors Brain Puzzzles Based on the Bible
Logic & Brain Teasers Large Print Logic Puzzles: 100 Hard Variety Puzzles (Kakuro, Samurai Sudoku, Battleships, Hakyuu, Minesweeper, Hitori, S, Book 23, (Paperback) $12.53

$1253
current price $12.53Logic & Brain Teasers Large Print Logic Puzzles: 100 Hard Variety Puzzles (Kakuro, Samurai Sudoku, Battleships, Hakyuu, Minesweeper, Hitori, S, Book 23, (Paperback)
Brain Games for 8 Year Olds: Fun and Challenging Brain Teasers, Logic Puzzles, and More for Kids, (Paperback) $10.76

$1076
current price $10.76From $9.20
Brain Games for 8 Year Olds: Fun and Challenging Brain Teasers, Logic Puzzles, and More for Kids, (Paperback)
24.5 out of 5 Stars. 2 reviews
Everyone
10x10 Fillomino Logic Puzzles Volume 1: 180 Medium to Hard Brain Teaser Puzzles for Adults and Kids, (Paperback) $10.99

$1099
current price $10.9910x10 Fillomino Logic Puzzles Volume 1: 180 Medium to Hard Brain Teaser Puzzles for Adults and Kids, (Paperback)
Maze Explorer: Easy, Medium, and Hard Brain Teasers, (Paperback) $9.99

$999
current price $9.99Maze Explorer: Easy, Medium, and Hard Brain Teasers, (Paperback)
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