Brain Stretching Math Riddles This book is the second in a series of riddles books. It is a collection of 150 brain teasing math riddles and puzzles. Their purp
Brain Teasers for Kids - Riddles for the Whole Family "The mind once stretched by a new idea, never returns to its original dimensions." Ralph Waldo Emerson Thi
Spark Curiosity and Challenge Young Minds with Difficult Math Riddles for Smart Kids! Is your child a math whiz who craves a challenge? Look no further than Dif
"Riddles are like mental gymnastics for the brain, stretching our thinking muscles and expanding our cognitive abilities." -Hephy White "Math Riddles For Bright
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