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A vibrant illustration for a children's book cover shows three children riding a blue and red train on tracks. Above them, text reads "Small Problems Train Big Brains", with a question mark and lightbulb in clouds. A rabbit and snail are on the grassy ground.

A vibrant illustration for a children's book cover shows three children riding a blue and red train on tracks. Above them, text reads "Small Problems Train Big Brains", with a question mark and lightbulb in clouds. A rabbit and snail are on the grassy ground.
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Cover of storybook of the story of Small problems train big brains See more

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