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Transcript for Teenage Boys Build Backyard Rollercoaster
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This transcript has been automatically generated and may not be 100% accurate.
{"duration":"3:00","description":"Teenage boys build backyard rollercoaster for $50 in Idaho Falls, Idaho.","mediaType":"default","section":"ABCNews/GMA","id":"21163598","title":"Teenage Boys Build Backyard Rollercoaster","url":"/GMA/video/homemade-rollercoaster-teenage-boys-build-backyard-rollercoaster-21163598"}