Reviews Rotate Cylinder

Hot Air Stirling Engine Car Engineer Generator Model Science Experiment Physical Car Toy STEM Early Educational Toy for Kids Adults Learning

  • Material: Metal, Wire Rod, Quartz Glass and Plastic. The quartz glass and the gear are made of plastic. The base, bracket, flywheel, heating cylinder and connecting rod are all made of metal, which is sturdy and durable, and the assembly process is not easy to damage..
  • Operation Method: Place the model in a horizontal position during the operation, pour ethanol into the ethanol lamp to ensure safety, and then turn on the ethanol lamp. After preheating for 1 to 2 minutes, the lamp heats the piston tube, the dry air expands to generate power, and the car will start moving. (Use 95% ethanol)..
  • Innovative Design: Innovative combination of stirling engine model and toy car, stirling engine model as the power to drive a simple toy car walking, play a variety of ways, full of fun..
  • Warm Tips: The product is easy to install and has been debugged. When the product power cylinder is installed, it needs to rotate the belt gently.Pay attention to use 95% alcohol (self-provided), and do not add water, kerosene, gasoline, lighter oil, liquor, etc..
  • Wide Application:This model kit has a wide rang....
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Lancer Tactical Gen 2 Airsoft M4 AEG Carbine 10\ (Tan - High Velocity)

  • MATERIALS – Gen II version upgraded with a nylon reinforced body.
  • version 2 gearbox features metal gears along with the cylinder teeth.
  • RAIL SYSTEM FOR ATTACHMENTS – 7 lines of keymod on rail for customized placement of rail panels.
  • 2 removable 6-rib and 1 removable 10-rib rail sections for placement of accessories.
  • GEARS – Gears rotate smoothly provided by the 8mm ball bearings.
  • crafted and polished 6. 03mm tightbore barrel improves range and accuracy.
  • BATTERY – Simple battery (9. 6 V Nunchuck) placemen.
  • automatic power shut down once charger (included) detects battery is fully charged.
  • FEATURES – Rear sling mount is perfect for single point slings.
  • retractable crane stock adjusts to meet the battle situation.
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Lancer Tactical Gen 2 Airsoft M4 AEG Carbine 10' (Gray - High Velocity)

  • MATERIALS – Gen II version upgraded with a nylon reinforced body.
  • version 2 gearbox features metal gears along with the cylinder teeth.
  • RAIL SYSTEM FOR ATTACHMENTS – 7 lines of keymod on rail for customized placement of rail panels.
  • 2 removable 6-rib and 1 removable 10-rib rail sections for placement of accessories.
  • GEARS – Gears rotate smoothly provided by the 8mm ball bearings.
  • crafted and polished 6.03mm tightbore barrel improves range and accuracy.
  • BATTERY – Simple battery (9.6 V Nunchuck) placemen.
  • automatic power shut down once charger (included) detects battery is fully charged.
  • FEATURES – Rear sling mount is perfect for single point slings.
  • retractable crane stock adjusts to meet the battle situation.
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Lancer Tactical MK 18 MOD 0 CQB Gen 2 Field AEG Airsoft Rifle (Tan with High FPS)

  • CQB GEN II VERSION – Upgraded with a nylon polymer reinforced body, gearbox features metal gears along with the cylinder teeth.
  • IMPROVED ACCURACY – 6. 03 tightbore inner barrel provides more accuracy, 8mm bushings operate gears to rotate smoothly, capable to quickly change spring guides.
  • EASY CHARGE – Comes with a 9. 6V 1600 MAH Nunchuck battery and charger with a built-in indicator light.
  • Automatic power shutdown once charger detects the battery is fully charged.
  • FEATURES – Charging handle allows adjustment for hop-up system, high-capacity magazine holds 300 rounds.
  • PACKAGE INCLUDES – 1000 Round 0.2g BBs for best accuracy and shooting range, high capacity battery with wall charger, BB’s cleaning rod and owner’s manual.
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Lancer Tactical MK 18 MOD 0 CQB Gen 2 Field AEG Airsoft Rifle (Black with High FPS)

  • CQB GEN II VERSION – Upgraded with a nylon polymer reinforced body, gearbox features metal gears along with the cylinder teeth.
  • IMPROVED ACCURACY – 6. 03 tightbore inner barrel provides more accuracy, 8mm bushings operate gears to rotate smoothly, capable to quickly change spring guides.
  • EASY CHARGE – Comes with a 9. 6V 1600 MAH Nunchuck battery and charger with a built-in indicator light.
  • Automatic power shutdown once charger detects the battery is fully charged.
  • FEATURES – Charging handle allows adjustment for hop-up system, high-capacity magazine holds 300 rounds.
  • PACKAGE INCLUDES – 1000 Round 0.2g BBs for best accuracy and shooting range, high capacity battery with wall charger, BB’s cleaning rod and owner’s manual.
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Lancer Tactical LT-19 Gen 2 M4 Carbine AEG Airsoft Rifle (Tan High FPS Polymer Style)

  • MATERIALS – Gen II version upgraded with a nylon reinforced body.
  • version 2 gearbox features metal gears along with the cylinder teeth.
  • RAIL SYSTEM FOR ATTACHMENTS – 7 lines of keymod on rail for customized placement of rail panels.
  • 2 removable 6-rib and 1 removable 10-rib rail sections for placement of accessories.
  • GEARS – Gears rotate smoothly provided by the 8mm ball bearings.
  • crafted and polished 6. 03mm tightbore barrel improves range and accuracy.
  • BATTERY – Simple battery (9. 6 V Nunchuck) placemen.
  • automatic power shut down once charger (included) detects battery is fully charged.
  • FEATURES –High capacity magazine holds 300 rounds.
  • retractable crane stock adjusts to meet the battle situation.
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Topteng Gasoline Chainsaw 20 Inch, 52cc Gas Chainsaw 20' Bar Powered Engine 2 Cycle Gasoline Chain Saw, Orange

  • Engine: single cylinder, air cooler, 2-stroke. Bar Length: 20". Model: 52cc..
  • It adopts the automatic brake system with wide designed front hand guard, which is able to reduce injury during operating..
  • The anti-kickback chain decreases the probability of kickback, which increases safety. In addition, it also can be used under extreme environment with long life due to aluminum solid protection..
  • It is also able to efficiently prevent the dust enter the engine by engine clean air-intake system. It also features with anti-vibration design, which allows you to use it easily..
  • The aluminum solid crankcase enables to withstand the high rotate speed. The electronic ignition with auto choke is easy for you to start it..
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UKARMS CQB P1402 Spring Airsoft Tactical Sniper Rifle Gun : Folding Stock + Flashlight + Bipod

  • MATERIALS – Designed with reinforced Nylon polymer frame and furniture.
  • full metal version 2 gearbox with an upgraded torque motor.
  • ATTACHMENTS & EXTENSIONS – Upgraded handguard with removable handguard extension, 200mm top optic rail mounts scopes, sights, and magnifiers.
  • upgraded flip-up front and rear iron sights with quick deploy release.
  • GEARS – Metal gears and cylinder teeth are built inside the ver. 2 gearbox.
  • gears rotate smoothly provided by the 8mm ball bearings.
  • crafted and polished 6. 03mm tightbore barrel improves range and accuracy.
  • BATTERY – Simple battery (9. 6 V Nunchuck) placement is sealed with a cover located in the back of the stock.
  • low resistance wiring prevents potential damage from the battery.
  • FEATURES – Fires in full-auto and semi-auto, with a functional safety.
  • the quick-change spring system make changing springs effortless.
  • retractable crane stock adjusts to meet the battle situation.
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lancer tactical full metal gear with 10 keymod rail interface system polymer body lt-19 (black)(Airsoft Gun)

  • MATERIALS – Gen II version upgraded with a nylon reinforced body.
  • version 2 gearbox features metal gears along with the cylinder teeth.
  • RAIL SYSTEM FOR ATTACHMENTS – 7 lines of keymod on rail for customized placement of rail panels.
  • 2 removable 6-rib and 1 removable 10-rib rail sections for placement of accessories.
  • GEARS – Gears rotate smoothly provided by the 8mm ball bearings.
  • crafted and polished 6. 03mm tightbore barrel improves range and accuracy.
  • BATTERY – Simple battery (9. 6 V Nunchuck) placemen.
  • automatic power shut down once charger (included) detects battery is fully charged.
  • FEATURES – Rear sling mount is perfect for single point slings.
  • retractable crane stock adjusts to meet the battle situation.
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