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Wacky, cartoon-style books that help you improve your mental agility…flex those brain cells! Have a go at solving these picture puzzles. Use your maths skills, visual skills and powers of deduction to work out the answers. Fun and rewarding number-based problem-solving books that encourage and develop lateral and systematic thinking skills.

Four books in the series are aimed at KS2 maths students aged 8-11, or for kids that just can’t get enough of puzzles.