Every Year, 100 Million Monarch Butterflies Set Off On An Incredible Journey Across North America. These Beautiful Creatures Fly 2,000 Miles To Reach Their Remote Destination: A Tiny Area High In The Mountains Of Mexico. Yet Scientists Are Still Puzzling Over How The Butterflies Achieve This Tremendous Feat Of Endurance-And How, Year After Year, The Monarchs Navigate With Such Hair'S-Breadth Precision.

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Factory Sealed Dvd

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Product Detail
Color	Color
Dimensions	5.4x0.7x7.5
Weight	0.37