WISD BIRD

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1. Episode 10 Quaternary Towards Modernity

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2. Episode 3: The Silurian and Devonian Fish Ages

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3. Episode 2 Animals of the Ordovician

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4. Episode 1 Precambrian and Cambrian

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   Play with triangles

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6. Mysterious spherical world

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7. Fantasy square world

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8. Magic Cube

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9. Cross the line world

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10. A world of ever-changing circles

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