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Description: Item Name: Adjustable Extension Rod
Material: Aluminum Alloy
Colour: Black Length:45cm To 200cm

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Description: Item Name:25T Steering Servo Horn Arm
Material: Aluminum Alloy
Colour: Gold & blue Product



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Aluminum Alloy 6-Claw Soldering Station with USB (Universal Serial Bus) Magnifying Lamp A High-Powered Solution for Precision Work & Hobbyists. ...

Description: Item Name: Camera Bracket
Material: Aluminum Alloy
Colour: Black Dimension: 45x 40x 30mm Weight:

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Aluminum Alloy Adjustable Focusing Bracket Stand for HDMI USB (Universal Serial Bus) Digital Microscope Camera with 40mm & 50mm Adapter High Temperature Resistant Pad for Precision Inspections ...

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Description: Aerodynamics are rich in knowledge of physics, single cylinder combustion engine. Engine principle is intuitive, educational toys, teaching experimental equipment caneffectively cultivate childrens interest in learning can also be used for classroomteaching, more intuitive & easy to underst&. Specifications: Name: Stirling Engine Model
Material: Aluminum alloy, glass
Colour: White/ Gold
Size:160x 87x 115mm Instructions:-The engine model on the horizontal position by hand toggle the flywheel to see if smooth, if there is a strong sense of raw astringent, check the connection rod is normal, whether the cylinder oil & dust, & if so, please use toilet paper to erase Not smooth. Toggle the flywheel feel pressure rebound within the cylinder body is a normal phenomenon, the cylinder is sealed.-The packing bag of alcohol lamp cotton wear into the metal cap lamp.-Please go to the pharmacy to buy 95% purity alcohol, anhydrous industrial alcohol better. Fill the alcohol lamp to less than two-thirds.-Alcohol lamp to the alcohol lamp, at the premise of ensuring safety, ignite the alcohol lamp about 2 minutes after the flywheel, until the flywheel automatic operation so far, the whole process of heating, hands may not touch.-Led lights can be directly into the generator output interface, if not inserted, the exchange can be positive & negative, led a long foot for the cathode. Note:-This engine is perfectly for kids over 12 years old.-There will be the operation of steam, when the ste


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Specification: Item name: Gopro hero 8 protective case Material Aluminum Weight: 123g
Size: 82x 30x 67mm Fetures:-Lightweight,
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