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Smithsonian Motor Works Transparent 4-Cylinder Engine Kit: Quick AnswerSmithsonian Motor Works Transparent 4-Cylinder Engine Kit is a visible mechanis..
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$160.70
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TECHING DM115 1:10 L4 Diesel Engine Model Kit 300+PCS is a 1:10 metal OHV inline-four assembly whose motor-driven moving parts demonstrate the archite..
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$703.13
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TECHING DM13-B Inline-4 Engine Assembly Kit 325PCS is a new-kit metal inline-four assembly that runs slowly from a rechargeable battery so piston, cra..
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$944.21
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Inline engine assembly kits place the cylinders in one row so the crankshaft, piston sequence and valve train are easy to compare. This collection includes metal four-cylinder projects, a motor-driven compression-ignition simulation and transparent classroom mechanisms.
Choose by material, part count, assembly time and operating method. Electric simulations demonstrate motion without combustion; fuel-burning products are identified separately and require experienced adult operation.