Eighth graders build giant awesome gymnasium rollercoaster

California middle-school students have built an impressive, indoor roller-coaster in their school gymnasium:

Twenty-four feet tall at its highest point and occupying 10,000 square feet, the fully-functional ride towers over the 135 eighth-graders who are its designers, builders and decorators. Students and four teachers have spent thousands of hours measuring, sawing, constructing, painting and decorating the wooden structure over the last three weeks.

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(via Neatorama)