Mindworks Brain Training Series 1: Numeric Puzzles Books Twistables are great for all

Twistables are great for all kinds of creative projects

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Mindworks Brain Training Series 1: Numeric Puzzles Books Twistables are great for allAge 7 to 12 Year Mindworks Brain Training: Numeric Puzzles is an accessible but stimulating collection of brain training puzzles, designed by a team of experts specifically to train your left brain arithmetic and mathematical abilities. Each puzzle has a difficulty rating and a suggested time limit, so that you can easily find puzzles that suit your current skill level and progress to more challenging ones as your mental agility increases. THIS BOOK