Mind Twisters, 8-1/2" x 11", Grade 3
 $12.99 $11.50
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First Grade Brain Teasers, 8-1/2" x 11", Grade 1
 $10.99 $9.73
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Engage the Brain Games, Kindergarten
 $16.95 $15.00
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Critical and Creative Thinking Actvities, Grade 2
 $20.99 $18.58
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Grid Perplexors, Level A, Ages 9-10
 $12.95 $11.46
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Document-Based Questions for Reading Comprehension and Critical Thinking, 8-1/2" x 11", Grade 6
 $14.99 $13.27
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Mind Benders®, Beginning Book 7, Grades 7-12+
 $12.99 $11.50
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Puzzles and Games That Make Kids Think, 8-1/2" x 11", Grade 6
 $14.99 $13.27
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Building Thinking Skills®, Primary, Grades K-1
 $32.99 $29.20
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