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Product Description
This book explains a big idea in a simple way. It’s about boxes that keep things safe—like coins and messages—and how those boxes can stick together in a line to make a strong chain. You’ll learn how keys keep boxes locked, how friends can add their own boxes, and how everyone works together to keep the chain safe and fair.A clear, calm way to explore how we stay safe and share with others. No buzzwords. Just boxes, chains, and a smart little story. Read more
