Wow!! this is so cool - Innovation pedal boat propeller by Khmer DIY
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You've Never Seen This Tool On Youtube !!! Modification Water Bike Pedal Drive Fast And Smooth Drive
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DIY low budget pedal boat
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Fabricación de útiles herramientas caseras en su torno y fresadora
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De BASURA a LUJO, dos herramientas CASERAS para tu TALLER.
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Best! Unique idea & Genius Inventions
23:39
DIY water jet boat
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That's Impressive New System Pedal Boat Using Pulley And Belt Engine
24:51