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  • Eachine EM4 Gasoline Engine Model Stirling Water-Cooled Cooling Structure with a Cooling Water Tank and a Circulating Gear PumpEachine EM4 Gasoline Engine Model Stirling Water-Cooled Cooling Structure with a Cooling Water Tank and a Circulating Gear Pump
    koweis

    Eachine EM4 Gasoline Engine Model Stirling Water-Cooled Cooling Structure with a Cooling Water Tank and a Circulating Gear Pump

    Eachine EM4 Gasoline Engine Model Stirling Water-Cooled Cooling Structure with a Cooling Water Tank and a Circulating Gear Pump Age Range: 8-11 Years,Over 11 Years Brand: Eachine Precise details: Specifications: Brand:Eachine Name:EM4 Gasoline Engine Model Stirling Water-cooled Cooling Structure With A Cooling Water Tank...
    $667.99
    $667.99
  • Exploring Kid Children'S Popular Science Educational Toys Wind Direction and Speed Experiment ToysExploring Kid Children'S Popular Science Educational Toys Wind Direction and Speed Experiment Toys
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    Exploring Kid Children'S Popular Science Educational Toys Wind Direction and Speed Experiment Toys

    Exploring Kid Children'S Popular Science Educational Toys Wind Direction and Speed Experiment Toys Age Range: 8-11 Years,Over 11 Years Precise details: Description: Brand:Exploring Kid Name: Wind Direction And Speed Experiment Material: Plastic, hardware, ABS environmental protection plastic Features: Why can field magnets drive aluminum...
    $53.99
    $53.99
  • Dinosaur Fossils Excavation Kit Archaeology Dig up History Skeleton Fun Kids Gift ToysDinosaur Fossils Excavation Kit Archaeology Dig up History Skeleton Fun Kids Gift Toys
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    Dinosaur Fossils Excavation Kit Archaeology Dig up History Skeleton Fun Kids Gift Toys

    Dinosaur Fossils Excavation Kit Archaeology Dig up History Skeleton Fun Kids Gift Toys Description: Material: Plastic, gypsum Color: Gray Unearthed Block Size: Approx. 9 x 6 x 3cm Dinosaur type:Will be sent by randomlyFeature: *Excavate a miniature dinosaur skeleton from a block of plaster...
    $21.99
    $21.99
  • STARK-35 Bedini Motor Brushless Motor Model Pseudo Motion Disc Motor ToySTARK-35 Bedini Motor Brushless Motor Model Pseudo Motion Disc Motor Toy
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    STARK-35 Bedini Motor Brushless Motor Model Pseudo Motion Disc Motor Toy

    STARK-35 Bedini Motor Brushless Motor Model Pseudo Motion Disc Motor Toy Desciption: Name: Bedini Motor Power supply: 24V Weight: 1405G Size:15*13*17CM Power: 5-15W Speed: 500-1500RPM Magnet: 8 Strong Magnets 20*10MM Features: Use simple and reliable components and circuits to drive the magnet rotor. The...
    $198.99
    $198.99
  • 120X High-Definition Portable Optical Microscope Elementary School and Outdoor Play Children Science Experimental Biology Teaching Microscope Toy for Children Gift120X High-Definition Portable Optical Microscope Elementary School and Outdoor Play Children Science Experimental Biology Teaching Microscope Toy for Children Gift
    koweis

    120X High-Definition Portable Optical Microscope Elementary School and Outdoor Play Children Science Experimental Biology Teaching Microscope Toy for Children Gift

    120X High-Definition Portable Optical Microscope Elementary School and Outdoor Play Children Science Experimental Biology Teaching Microscope Toy for Children Gift Age Range: Over 11 Years Precise details: 120X High-definition Portable Optical Microscope Elementary School and Outdoor Play Children Science Experimental Biology Teaching Microscope Toy...
    $32.99
    $32.99
  • Saihu Vacuum Stirling Engine Model Heat Engine All-Metal Engine Science Educational ToysSaihu Vacuum Stirling Engine Model Heat Engine All-Metal Engine Science Educational Toys
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    Saihu Vacuum Stirling Engine Model Heat Engine All-Metal Engine Science Educational Toys

    Saihu Vacuum Stirling Engine Model Heat Engine All-Metal Engine Science Educational Toys Age Range: 8-11 Years,Over 11 Years Precise details: Specification: Brand:SaiHu Item Name: Stirling Engine Model Size: 18CM*9CM*9.5CM Weight: 1.2KG Material: Metal Fuel: 95% alcohol Cylinder lubricant: 3000 mesh graphite powder or lock...
    $419.99
    $419.99
  • Children'S DIY Forensic Science Experiment Fingerprint Verification Educational Set Indoor ToysChildren'S DIY Forensic Science Experiment Fingerprint Verification Educational Set Indoor Toys
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    Children'S DIY Forensic Science Experiment Fingerprint Verification Educational Set Indoor Toys

    Children'S DIY Forensic Science Experiment Fingerprint Verification Educational Set Indoor Toys null Children's DIY Forensic Science Experiment Fingerprint Verification Educational Set Toys  Description: Item Name: Fingerprint Verification DIY Kit Weight: 200g Material: plastic Warning: To be greater than 10 years old Number of sets: plastic bottles,...
    $28.99
    $28.99
  • Motion Toy Newton'S Cradle Balance Balls Physics Classic Science Mini Fun Desk ToyMotion Toy Newton'S Cradle Balance Balls Physics Classic Science Mini Fun Desk Toy
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    Motion Toy Newton'S Cradle Balance Balls Physics Classic Science Mini Fun Desk Toy

    Motion Toy Newton'S Cradle Balance Balls Physics Classic Science Mini Fun Desk Toy Description: Name: Newton's Cradle Balance Balls Physics Classic Science Mini Fun Desk Toy Material: Stainless steel Color: Silver Size: (L)X(W)18X11cm/7.09"X4.33"Features: Brand New and high quality. Made of stainless steel material,safe and...
    $20.99
    $20.99
  • STARPOWER 16 Cylinder Quartz Tube External Combustion Hot Air Stirling Engine Model STEM Engine MotorSTARPOWER 16 Cylinder Quartz Tube External Combustion Hot Air Stirling Engine Model STEM Engine Motor
    koweis

    STARPOWER 16 Cylinder Quartz Tube External Combustion Hot Air Stirling Engine Model STEM Engine Motor

    STARPOWER 16 Cylinder Quartz Tube External Combustion Hot Air Stirling Engine Model STEM Engine Motor Age Range: 8-11 Years,Over 11 Years Precise details: Description: Brand: STARPOWER Name :External Combustion Engine —Quartz (Glass) Tube Version For Stainless Steel Tube Version Refers To: ID: 1256077 Material:...
    $481.99
    $481.99
  • 5 Inch Music Plasma Ball Sphere Light Crystal Light Magic Desk Lamp Novelty Bule Light Home Decor5 Inch Music Plasma Ball Sphere Light Crystal Light Magic Desk Lamp Novelty Bule Light Home Decor
    koweis

    5 Inch Music Plasma Ball Sphere Light Crystal Light Magic Desk Lamp Novelty Bule Light Home Decor

    5 Inch Music Plasma Ball Sphere Light Crystal Light Magic Desk Lamp Novelty Bule Light Home Decor Description: Weight: About 480g Size: 5 Inches Color of light: BlueA perfect decoration for homes, parties, cafe, bars & restaurants etc. Beautiful combination of Neon gases which...
    $48.99
    $48.99
  • Assembly UFO Spin Suspension Steam Stirling Engine with Copper Boiler Educational ToysAssembly UFO Spin Suspension Steam Stirling Engine with Copper Boiler Educational Toys
    koweis

    Assembly UFO Spin Suspension Steam Stirling Engine with Copper Boiler Educational Toys

    Assembly UFO Spin Suspension Steam Stirling Engine with Copper Boiler Educational Toys Description: Name:DIY Steam Engine Model Color: As Shown Material: Metal Product Dimensions: 11.6 x 9 x 12.9cm Product Weight: 400g Package Dimensions: 18 x 12.5 x 5.5cm Package Weight: 500g Packing: Carton...
    $133.99
    $133.99
  • Mokiki Colorful Electrostatic Ball Science and Discover Original Joking Toys Gifts for ChildrenMokiki Colorful Electrostatic Ball Science and Discover Original Joking Toys Gifts for Children
    koweis

    Mokiki Colorful Electrostatic Ball Science and Discover Original Joking Toys Gifts for Children

    Mokiki Colorful Electrostatic Ball Science and Discover Original Joking Toys Gifts for Children Mokiki Colorful Electrostatic Ball Science and Discover Original Joking Toys Gifts for ChildrenDescription: Material:Plastic Size: 14x10cm Pack Size: 15.1x11x11cm Product Weight: 207g Pack Weight: 340g Age Arrange: >6 years old Power...
    $31.99
    $31.99
    • Colorful
  • Exploring Kid Electricity Set Science Toys Educational Children Science Experiment Toy SetExploring Kid Electricity Set Science Toys Educational Children Science Experiment Toy Set
    koweis

    Exploring Kid Electricity Set Science Toys Educational Children Science Experiment Toy Set

    Exploring Kid Electricity Set Science Toys Educational Children Science Experiment Toy Set Description: Brand:Exploring Kid Item Name: Electrical set Material: ABS plastic, hardware Packing size: 350*280*90mm Features: Measuring resistance This product uses voltmeter, ammeter, bulb, battery holder and other components to measure the current...
    $64.99
    $64.99
  • Microcosm M8 Live Steam Engine Boiler Hand Feed Pump PartsMicrocosm M8 Live Steam Engine Boiler Hand Feed Pump Parts
    koweis

    Microcosm M8 Live Steam Engine Boiler Hand Feed Pump Parts

    Microcosm M8 Live Steam Engine Boiler Hand Feed Pump Parts Description: Brand: Microcosm Item No.: M8 Item Name:Pump for steam engine Usage:The feed water pump is used to supply the boiler with fresh water. brass nut, with stainless steel piston and ball valves.Screw fitting...
    $121.99
    $121.99
  • SH-015 Stirling Engine Kit Full Metal with Mini Generator Steam Science Educational Engine Model ToySH-015 Stirling Engine Kit Full Metal with Mini Generator Steam Science Educational Engine Model Toy
    koweis

    SH-015 Stirling Engine Kit Full Metal with Mini Generator Steam Science Educational Engine Model Toy

    SH-015 Stirling Engine Kit Full Metal with Mini Generator Steam Science Educational Engine Model Toy SH-015 Stirling Engine Kit Full Metal with Mini Generator Steam Science Educational Engine Model Toy Significance and Value of Use: The product can be used as a decoration with...
    $213.99
    $213.99
  • Wooden Simulation DIY Multi-Shaped Nut Combo Set Boy Repair Kit Early Childhood Education Puzzle ToyWooden Simulation DIY Multi-Shaped Nut Combo Set Boy Repair Kit Early Childhood Education Puzzle Toy
    koweis

    Wooden Simulation DIY Multi-Shaped Nut Combo Set Boy Repair Kit Early Childhood Education Puzzle Toy

    Wooden Simulation DIY Multi-Shaped Nut Combo Set Boy Repair Kit Early Childhood Education Puzzle Toy Age Range: 5-7 Years Material: Wooden Precise details: Wooden Simulation DIY Multi-shaped Nut Combo Set Boy Repair Kit Early Childhood Education Puzzle Toy Specification: Item Name: Wooden Puzzle Toy...
    $70.99
    $70.99
  • STARPOWER Live Vacuum Engine Hot Air Stirling Engine Model Science Study Developmental ToySTARPOWER Live Vacuum Engine Hot Air Stirling Engine Model Science Study Developmental Toy
    koweis

    STARPOWER Live Vacuum Engine Hot Air Stirling Engine Model Science Study Developmental Toy

    STARPOWER Live Vacuum Engine Hot Air Stirling Engine Model Science Study Developmental Toy Description: Brand Name: STARPOWER Model: QX-ZK-01-M Size: 150*70*90mm Packing Size: 170*90*110mm Weight: 550g Colour: As the picture showsNote: Children should use the engine model under adult carePackage included: 1*A set of...
    $157.99
    $157.99
  • Motion Toy Newton'S Guitar Cradle Balance Balls Physics Classic Science Mini Fun Desk ToyMotion Toy Newton'S Guitar Cradle Balance Balls Physics Classic Science Mini Fun Desk Toy
    koweis

    Motion Toy Newton'S Guitar Cradle Balance Balls Physics Classic Science Mini Fun Desk Toy

    Motion Toy Newton'S Guitar Cradle Balance Balls Physics Classic Science Mini Fun Desk Toy Description: Name: Motion Toy Newton's Guitar Cradle Balance Balls Physics Classic Science Mini Fun Desk Toy Material: Stainless steel Color: Silver Package: With retail package boxFeatures: Brand New and high...
    $16.99
    $16.99
  • Stark Long Arc and Bluetooth Music Dual Mode Music Tesla Coil Palm Flash Bluetooth Flash Length 10CM Science ToysStark Long Arc and Bluetooth Music Dual Mode Music Tesla Coil Palm Flash Bluetooth Flash Length 10CM Science Toys
    koweis

    Stark Long Arc and Bluetooth Music Dual Mode Music Tesla Coil Palm Flash Bluetooth Flash Length 10CM Science Toys

    Stark Long Arc and Bluetooth Music Dual Mode Music Tesla Coil Palm Flash Bluetooth Flash Length 10CM Science Toys Age Range: Over 11 Years Precise details: Specification: Item Name: Tesla coil Power supply voltage: 220VAC 50/60Hz Power: 0-100W Flash length: 0-10cm (adjustable by knob)...
    $149.99
    $149.99
  • In Stock STEM Stirling Engine Full Metal Combustion Engine Hit & Miss Gas Model Engine Gift Collection ToyIn Stock STEM Stirling Engine Full Metal Combustion Engine Hit & Miss Gas Model Engine Gift Collection Toy
    koweis

    In Stock STEM Stirling Engine Full Metal Combustion Engine Hit & Miss Gas Model Engine Gift Collection Toy

    In Stock STEM Stirling Engine Full Metal Combustion Engine Hit & Miss Gas Model Engine Gift Collection Toy Description: Item Name: Full Metal Combustion Engines Weight: About 2kg Material: Aluminium Alloy Voltage: 6~10V Fuel: ZIPPOOIL or Gasoline The best tappet clearance: 0.5mm Age: Kids...
    $468.99
    $468.99

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