Building a roller coaster just wasn't enough for Will Pemble, aka "Coaster Dad." The 50-year-old wacky inventor/father from Orinda, California, had to up the ante this weekend, by building a ...
Students in an eighth-grade engineering class at Pleasantville Middle School constructed roller coasters using marbles, paper, popsicle sticks, tape and their critical-thinking skills. The young ...
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