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Do the Math: Challenging, Fun Math Puzzles for Kids - Paperback - GOOD
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Math Games with Bad Drawings: 75 1/4 Simple, Challenging, Go
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Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop Mat
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Math Games with Bad Drawings: 75 1/4 Simple, Challenging, Go
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Challenging Math Puzzles - Paperback By Vecchione, Glen - GOOD
Challenging Math Puzzles - Paperback By Vecchione, Glen - GOOD

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The Challenging "34" Puzzle by Crestline  Vintage Math Addition Puzzle
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Sherlock Holmes Puzzles: Math and Logic Games: Over 100 Challenging Cross
Sherlock Holmes Puzzles: Math and Logic Games: Over 100 Challenging Cross

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Summer Math Workbook For Kids Ages 8-10: Brain Challenging Math Activity Wo...
Summer Math Workbook For Kids Ages 8-10: Brain Challenging Math Activity Wo...

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100 Math Puzzles For Kids Aged 12-14 - A Challenging And Fun Logic Game
100 Math Puzzles For Kids Aged 12-14 - A Challenging And Fun Logic Game

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Math Games with Bad Drawings: 75 14 Simple, Challenging, Go-Anywhere Gam - GOOD
Math Games with Bad Drawings: 75 14 Simple, Challenging, Go-Anywhere Gam - GOOD

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Math Games with Bad Drawings: 75 1/4 Simple, Challenging, Go-Anywhere Games―A...
Math Games with Bad Drawings: 75 1/4 Simple, Challenging, Go-Anywhere Games―A...

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Math Games with Bad Drawings: 75 1/4 Simple, Challenging, Go-Anywhere Games―A...
Math Games with Bad Drawings: 75 1/4 Simple, Challenging, Go-Anywhere Games―A...

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Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop Mat
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Quadice Challenging Math Game for Grades 4-8 Teacher's Guide SC 2002
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Math Games with Bad Drawings: 75 1/4 Simple, Challenging, Go-Anywhere Games--And
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Sherlock Holmes Puzzles: Math and Logic Games: Over 100 Challenging Cross - GOOD

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Brain Workout Math & Logic Puzzles- More than 740 challenging puzzles!
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Whole Brain Teaching: 122 Amazing Games! : Challenging Kids, Classroom...
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Challenging Brainteasers (Mensa) - Paperback - VERY GOOD
Challenging Brainteasers (Mensa) - Paperback - VERY GOOD

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Math Games with Bad Drawings: 75 1/4 Simple, Challenging, Go-Any

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Sherlock Holmes Puzzles: Math and Logic Games: Over 100 Challenging Exercises

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Challenging Calcu-doku Puzzles

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Math Games with Bad Drawings: 75 1/4 Simple, Challenging, Go-Anywhere Games?And,
Math Games with Bad Drawings: 75 1/4 Simple, Challenging, Go-Anywhere Games?And,

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CHALLENGING MATH PUZZLES By Glen Vecchione & Nina Zottoli *Excellent Condition*
CHALLENGING MATH PUZZLES By Glen Vecchione & Nina Zottoli *Excellent Condition*

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Math Games With Bad Drawings : 75 1/4 Simple, Challenging, Go-anywhere Games ...
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100 Math Puzzles for Kids Aged 12-14 - A Challenging And Fun Logic Game (Paperba
100 Math Puzzles for Kids Aged 12-14 - A Challenging And Fun Logic Game (Paperba

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Math Puzzles and Enigmas 150 Math Brainteasers Preowned Challenging
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Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop Mat
Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop Mat

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Challenging Math Riddles for Kids: Fun Brainteasers & Logic Game
Challenging Math Riddles for Kids: Fun Brainteasers & Logic Game

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Math Games With Bad Drawings : 75 1/4 Simple, Challenging, Go-anywhere Games ...
Math Games With Bad Drawings : 75 1/4 Simple, Challenging, Go-anywhere Games ...

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Challenging Math Puzzles Paperback Glen Vecchione
Challenging Math Puzzles Paperback Glen Vecchione

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PUZZLE IT! MATH COMPUTATION PUZZLES: 50 CHALLENGING By Jessica Krattinger VG
PUZZLE IT! MATH COMPUTATION PUZZLES: 50 CHALLENGING By Jessica Krattinger VG

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Brain Workout Math  Logic Puzzles- More than 740 challenging puzzles - GOOD
Brain Workout Math Logic Puzzles- More than 740 challenging puzzles - GOOD

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NEW Challenging Math Riddles for Kids: Fun ... 9781638073871 by Barnes, Patricia
NEW Challenging Math Riddles for Kids: Fun ... 9781638073871 by Barnes, Patricia

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Brainteaser Physics: Challenging - Paperback, by Grimvall Göran - Very Good
Brainteaser Physics: Challenging - Paperback, by Grimvall Göran - Very Good

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Challenging Math Riddles for Kids : Fun Brainteasers & Logic Games to Develop...
Challenging Math Riddles for Kids : Fun Brainteasers & Logic Games to Develop...

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Math Games with Bad Drawings: 75 1/4 Simple, Challenging, Go-Anywhere Games &
Math Games with Bad Drawings: 75 1/4 Simple, Challenging, Go-Anywhere Games &

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Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop

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NEW!! Find the Tens Math Puzzle For Adults | Hard Challenging Math Activity B...
NEW!! Find the Tens Math Puzzle For Adults | Hard Challenging Math Activity B...

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Math Games with Bad Drawings: 75 1/4 Simple, Challenging, Go-Anywhere Games--And
Math Games with Bad Drawings: 75 1/4 Simple, Challenging, Go-Anywhere Games--And

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Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop Mat
Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop Mat

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Number Enigmas: Over 125 Challenging Exercises Designed for Maximum Fun a - GOOD
Number Enigmas: Over 125 Challenging Exercises Designed for Maximum Fun a - GOOD

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Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop Mat
Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop Mat

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Area Maze Madness: Stretch Your Brain with Fun Math and Challenging Logic Puzzl

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Summer Math Workbook for kids Ages 8-10: Brain Challenging Math Activity Workboo
Summer Math Workbook for kids Ages 8-10: Brain Challenging Math Activity Workboo

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Will Shortz Presents Ferocious KenKen: 200 Challenging Logic Puzzles That Make Y
Will Shortz Presents Ferocious KenKen: 200 Challenging Logic Puzzles That Make Y

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Math Puzzles and Enigmas 150 Math Brainteasers Challenging Set /Game
Math Puzzles and Enigmas 150 Math Brainteasers Challenging Set /Game

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Mensa® Everyday Challenging Mind Games : 100 Mastermind Math and
Mensa® Everyday Challenging Mind Games : 100 Mastermind Math and

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Vintage 1980 Ravensburger Arithmetic Lotto Game Fun Exciting, Challenging, Math
Vintage 1980 Ravensburger Arithmetic Lotto Game Fun Exciting, Challenging, Math

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Will Shortz Presents Ferocious KenKen: 200 Challenging Logic Puzzles That Make Y
Will Shortz Presents Ferocious KenKen: 200 Challenging Logic Puzzles That Make Y

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Will Shortz Presents Ferocious KenKen: 200 Challenging Logic Puzzles That - GOOD
Will Shortz Presents Ferocious KenKen: 200 Challenging Logic Puzzles That - GOOD

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Will Shortz Presents Brain-Training KenKen: 100 Challenging Logic Puzzles - GOOD
Will Shortz Presents Brain-Training KenKen: 100 Challenging Logic Puzzles - GOOD

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Challenging Math Puzzles by Vecchione, Glen
Challenging Math Puzzles by Vecchione, Glen

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Challenging Math Puzzles by Vecchione, Glen
Challenging Math Puzzles by Vecchione, Glen

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150+ Challenging Numeric & Logic Puzzles (Paperback or Softback)
150+ Challenging Numeric & Logic Puzzles (Paperback or Softback)

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Geometric Magic Squares: A Challenging New Twist Using Colored Shapes Instead o
Geometric Magic Squares: A Challenging New Twist Using Colored Shapes Instead o

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Math riddles for smart kids: brain games for kids: challenging math riddles a...
Math riddles for smart kids: brain games for kids: challenging math riddles a...

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Lot 5 Home School Math Logic Critical Thinking Books Puzzles Mazes Educational
Lot 5 Home School Math Logic Critical Thinking Books Puzzles Mazes Educational

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The Times Fiendish Su Doku Book 11: 200 Challenging Su Doku Puzzles - ACCEPTABLE
The Times Fiendish Su Doku Book 11: 200 Challenging Su Doku Puzzles - ACCEPTABLE

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The New York Times Will Shortz Presents Challenging Kenken: 300 Logic Puzzles...
The New York Times Will Shortz Presents Challenging Kenken: 300 Logic Puzzles...

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Math Games with Bad Drawings: 75 1/4 Simple, Challenging, Go-Anywhere Games & An
Math Games with Bad Drawings: 75 1/4 Simple, Challenging, Go-Anywhere Games & An

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Soccer Football TIVY Math Game: A Fun & Challenging Math Game
Soccer Football TIVY Math Game: A Fun & Challenging Math Game

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Will Shortz Presents KenKen for Your Coffee Break: 100 Challenging Logic  - GOOD
Will Shortz Presents KenKen for Your Coffee Break: 100 Challenging Logic - GOOD

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The Times Fiendish Su Doku Book 7: 200 Challenging Puzzles from the Times
The Times Fiendish Su Doku Book 7: 200 Challenging Puzzles from the Times

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Will Shortz Presents Kenken for Your Coffee Break: 100 Challenging Logic Puzzles
Will Shortz Presents Kenken for Your Coffee Break: 100 Challenging Logic Puzzles

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Brainteaser Physics: Challenging Physics Puzzlers by Grimvall, Göran
Brainteaser Physics: Challenging Physics Puzzlers by Grimvall, Göran

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The Times Fiendish Su Doku Book 11 : 200 Challenging Su Doku Puzzles by The...
The Times Fiendish Su Doku Book 11 : 200 Challenging Su Doku Puzzles by The...

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Area Maze Madness: Stretch Your Brain with Fun Math and Challenging Logic Pu...
Area Maze Madness: Stretch Your Brain with Fun Math and Challenging Logic Pu...

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Subtraction Game Practice Facts-Challenging Table Game- Match Learner Tiles
Subtraction Game Practice Facts-Challenging Table Game- Match Learner Tiles

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Hard-to-Solve Math Puzzles Paperback Derrick Niederman
Hard-to-Solve Math Puzzles Paperback Derrick Niederman

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Hard-to-Solve Math Puzzles  paperback Used - Good
Hard-to-Solve Math Puzzles paperback Used - Good

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Math Puzzles and Enigmas: 150 Math Brainteasers (Challenging Set /Game)
Math Puzzles and Enigmas: 150 Math Brainteasers (Challenging Set /Game)

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 Challenging Calcu-doku Puzzles Paperback By Sterling Innovation NEW 400 PAGES!!
Challenging Calcu-doku Puzzles Paperback By Sterling Innovation NEW 400 PAGES!!

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Will Shortz Presents Ferocious KenKen: 200 Challenging Logic Puzzles That...
Will Shortz Presents Ferocious KenKen: 200 Challenging Logic Puzzles That...

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NEW!! Find the Tens Math Puzzle For Adults Hard Challenging Math Activity Book F
NEW!! Find the Tens Math Puzzle For Adults Hard Challenging Math Activity Book F

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Challenging Mathematical Teasers (Dover Recreational Math), Hunter, J. A. H., Ex
Challenging Mathematical Teasers (Dover Recreational Math), Hunter, J. A. H., Ex

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Area Maze Madness: Stretch Your Brain with Fun Math and Challenging Logic Puzzle
Area Maze Madness: Stretch Your Brain with Fun Math and Challenging Logic Puzzle

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Challenging Brainteasers by Santos, Bernardo Recaman; Recaman Santos, Bernardo
Challenging Brainteasers by Santos, Bernardo Recaman; Recaman Santos, Bernardo

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Number Enigmas: Over 125 Challenging - Paperback, by Alison Moore - Good
Number Enigmas: Over 125 Challenging - Paperback, by Alison Moore - Good

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Sherlock Holmes Puzzles: Math and Logic Games: Over 100 Challenging...
Sherlock Holmes Puzzles: Math and Logic Games: Over 100 Challenging...

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NEW!! Find the Tens Math Puzzle For Adults Hard Challenging Math Activity Book F
NEW!! Find the Tens Math Puzzle For Adults Hard Challenging Math Activity Book F

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Challenging Mathematical Teasers Paperback J. A. H. Hunter
Challenging Mathematical Teasers Paperback J. A. H. Hunter

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Mensa Everyday Challenging Mind Games : 100 Mastermind Math and Logic Puzzles...
Mensa Everyday Challenging Mind Games : 100 Mastermind Math and Logic Puzzles...

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Gordon R Burgin 150+ Challenging Numeric & Logic Puzzles (Paperback)

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The Number Addict's Book of Hard to Extreme Sudoku 200+ Challenging Sudoku Puzzl

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Challenging Mathematical Teasers by Hunter, J. A. H.

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The Times Su Doku Book 11: 150 Challenging Puzzles From The Times

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Math Riddles for Brilliant Kids: Fun and Challenging Riddles to Boost Your Math

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Brainteaser Physics: Challenging Physics Puzzlers - Paperback - ACCEPTABLE
Brainteaser Physics: Challenging Physics Puzzlers - Paperback - ACCEPTABLE

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Patricia Barnes Challenging Math Riddles for Kids (Paperback)
Patricia Barnes Challenging Math Riddles for Kids (Paperback)

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QUANT RIDDLES: THE GREATEST COLLECTION OF CHALLENGING MATH By Sohail Dudhia Mint
QUANT RIDDLES: THE GREATEST COLLECTION OF CHALLENGING MATH By Sohail Dudhia Mint

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