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DIY Acoustic Levitation Electronics Makes Learning Kits for Science and Small Experimental Standing Waves |
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Low Temperature Stirling Engine Motor Coffee Cup Stirling Engine Kit Education Toy |
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5 Cylinder Radial Engine Model Kit that Works - Build Your Own Radial Engine - TECHING 1: 6 Full Metal Radial Engine Model Kit 250+Pcs |
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Teching Classic Car Engine Assembly Kit Mini Electric Single-cylinder Engine Metal Mechanical Model High Level Educational Collection |
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T1 Antique Roller Tractor Model with Mini Water-cooled Single-cylinder Gasoline IC Engine |
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Mini Stirling Engine Motor Model - High Performance Pocket-Sized Engine - Enginediy |
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1: 16 2.4 RC Excavator Simulation Hydraulic Drive Grab All Alloy Engineering Vehicle Model |
$1,399.99 |
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$1,399.99 |
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