15 New LEGO Technic Cool Contraptions & Useful Ideas
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7 Types of Wheels and Hard Trials - Experiments with Lego
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Moteur Thermique 6 Temps : Enfin L'Arme pour 2035!
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Les moteurs deviennent de plus en plus petits.
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Electromagnetic Aircraft Launcher
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Driving Lego Cars in Sand
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I tried LEGO Technic again - LEGO Orrery Review
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Will this toy engine work at full size? (yes)
11:05