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×	Stark Tesla's Egg of Columbus AC Motor Tesla Coil Motor Science Motor Model	$149.99	Stark Tesla's Egg of Columbus AC Motor Tesla Coil Motor Science Motor Model quantity	$149.99
×	STARK SSTC Music Tesla Coil Integrated Arc Extinguishine Tesla Teaching Model High-tech Toy	$129.99	STARK SSTC Music Tesla Coil Integrated Arc Extinguishine Tesla Teaching Model High-tech Toy quantity	$129.99
×	V8 Engine Model Kit that Works - Build Your Own V8 Engine - Paint Your Own V8 Engine -MAD RC V8 Engine for Capra VS4-10 Pro	$99.99	V8 Engine Model Kit that Works - Build Your Own V8 Engine - Paint Your Own V8 Engine -MAD RC V8 Engine for Capra VS4-10 Pro quantity	$99.99
×	3D Printed Aero Engine Model Jet Engine Model Turbofan STEM Model	$29.99	3D Printed Aero Engine Model Jet Engine Model Turbofan STEM Model quantity	$29.99
×	3D Printed Aero Engine Turbofan Engine Model DIY Stem Engine Toy - Static Version	$28.99	3D Printed Aero Engine Turbofan Engine Model DIY Stem Engine Toy - Static Version quantity	$28.99
×	3D Printed Tourbillon Clock Assembly Model Physics Experiment Teaching Model Educational Toy (21PCS)	$27.99	3D Printed Tourbillon Clock Assembly Model Physics Experiment Teaching Model Educational Toy (21PCS) quantity	$27.99
×	Low Temperature Stirling Engine Kit DIY Steam Heat Engine Motor Toy - Enginediy	$34.99	Low Temperature Stirling Engine Kit DIY Steam Heat Engine Motor Toy - Enginediy quantity	$34.99
×	Multi Stage Steam Turbine Physics Equipment Demonstration Educational Toy Enginediy	$34.99	Multi Stage Steam Turbine Physics Equipment Demonstration Educational Toy Enginediy quantity	$34.99
×	Low Temperature Stirling Engine Motor Coffee Cup Stirling Engine Kit Education Toy	$27.99	Low Temperature Stirling Engine Motor Coffee Cup Stirling Engine Kit Education Toy quantity	$55.98
×	Water-cooling Decompression Water Tank Water Pipe Kit for TOYAN V8 Engine - TOYAN Original	$14.99	Water-cooling Decompression Water Tank Water Pipe Kit for TOYAN V8 Engine - TOYAN Original quantity	$14.99
×	Metal Crankshaft for TOYAN Engine	$129.99	Metal Crankshaft for TOYAN Engine quantity	$129.99
×	Starter Kit with 4-in-1 Ignition Module for TOYAN FS-L400 Engine	$129.99	Starter Kit with 4-in-1 Ignition Module for TOYAN FS-L400 Engine quantity	$129.99
×	O Ring for Main Auxiliary Oil Needle TOYAN Engine	$5.99	O Ring for Main Auxiliary Oil Needle TOYAN Engine quantity	$5.99
×	1:10 HSP 94122 Drift RC Car Chassis Frame Kit with Engine Parts and Remote Control - Compatible with Toyan Single Cylinder Engine	$179.99	1:10 HSP 94122 Drift RC Car Chassis Frame Kit with Engine Parts and Remote Control - Compatible with Toyan Single Cylinder Engine quantity	$179.99
×	Toggle Switch for Toyan Engine Base	$6.99	Toggle Switch for Toyan Engine Base quantity	$6.99
×	Stirling Engine Kit DIY Single Cylinder Stirling Engine - Ideal Engine Model Gift for Your Kids Enginediy	$24.99	Stirling Engine Kit DIY Single Cylinder Stirling Engine - Ideal Engine Model Gift for Your Kids Enginediy quantity	$24.99
×	Metal Steam Turbine Engine JT-II Desktop Engine Model - Enginediy	$109.99	Metal Steam Turbine Engine JT-II Desktop Engine Model - Enginediy quantity	$109.99
×	Hot Echo Type Single Cylinder Quartz Heating Tube Stirling Engine Model	$29.99	Hot Echo Type Single Cylinder Quartz Heating Tube Stirling Engine Model quantity	$29.99