DIY Electromagnetic Aircraft Launcher: Paper Planes and More|Suzanne's First Electromagnetic Flight
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0.1 Seconds To 100 km/h ! Electromagnetic CATAPULTS Are Here!
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百公里加速只要0.1秒！手搓電磁彈射系統，這東西真的很好玩。
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NASA is getting a new Space Station sooner than expected!
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Low Flying Fokker Triplane Like You’ve Never Seen! | 65% Scale Masterpiece
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Gear shuttle car. Can automatically avoid cliffs. Educational toys
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250cc Swapped Little Tikes Cozy Coupe!
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Muddy Madness! RC Trucks Take on the Toughest Terrain
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