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Working your way through these riveting brainteasers will help you develop problem-solving skills, improve critical and lateral thinking, increase concentration and enhance your memory. And what's more, hours of fun later, you'll know what screen-free entertainment looks like!

Produktbeschreibung
Working your way through these riveting brainteasers will help you develop problem-solving skills, improve critical and lateral thinking, increase concentration and enhance your memory. And what's more, hours of fun later, you'll know what screen-free entertainment looks like!