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STARPOWER QX-M-ZQLJ-03/QX-M-ZQLJ-02 Single-stage/Multi-stage Steam Turbine Model Physics Experiment Science Discovery Pr
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R27 Vertical Single Cylinder Gasoline Motorcycle Engine Model
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C919 350mm Wingspan Intelligent Electric Free Flying Paper Plane Bubble Rechargeable Airplane DIY
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Ocean Princess Mechanical Art Model Party Decorations Punk steam The boat of the Egyptian pharaohs Khufu Sun Ark For Hom
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J06G Bee Series Mini Horizontal Stirling Engine Model Physics Science Experiments for Children
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J06H Bee Series Mini Horizontal Stirling Engine Model Physics Science Experiments for Children
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M20 1.6cc Mini Horizontal ICE Single Cylinder 4-Stroke Gasoline Engine Internal Combustion Engine Model with Speed Limit
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H73 2.6cc Holt Tractor Vertical Single Cylinder 4-Stroke OHV Gasoline Internal Combustion Engine Model with Governor
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M16 1.6cc Mini Vertical Air-cooled Single-cylinder 4 Stroke Gasoline Hit Miss Complete Engine Model with Wooden Base
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Montessori Cognitive Learning Toy for Kids Wooden Color Shape Toy Early Brain Stimulation Logical Enlightenment Hand-eye
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Fire-absorbing Stirling Vacuum Engine Model with 3 PCS Thin Copper Sheets Air Valve Educational Toys
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Solar Hut Windmill for Primary School Students Science Technology Small Production Experiment Children DIY Assembly Hand