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Description: Item Name: Gatling 6 Cylinder Stirling Engine
Material: Full Metal Engine

Size: 259*142*172mm


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Description:
Size: (L*W*H)17x 12x 22cm Piston Stroke 14mm Net Weight 720g Belt 5x 5 Flywheel Diameter 45mm Fuel Butane
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Description: Item:
Size: 165*90*90mm Flywheel: 60mm (Diameter) Driving Wheel: 25mm (Diameter) Power cylinder bore: 16mm
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Description Item:human organ Model
Material:PVC
Size: App 28cm Parts:15parts. torso, brain (2 Parts), heart,

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STEM Low Temperature Difference Stirling Engine Model Car Gift Collection Science Discovery Toy Description: Item Name: Low Temperature Difference Stirling Engine Weight: 967g
Colour: As the picture Package Dimensions: 27 x 11.5 x 14.5cm
Material: Copper + Aluminum Alloy + Stainless Steel

Features:-Novel Deisgn: The low temperature stirling engine model looks elegant & exquisite, give you a different feeling-High Quality: The wheels, steering wheels, seats are made from copper; The flywheel & the base part storing hot water are made from stainless steel, the rest parts are made from aluminum alloy; Fine polished model feels smooth & bright; The appearance of gold & silver intertexture is bright & dazzling, with a sense of modern science & technology, achieving the dual combination of texture & aesthetic feeling-Simple playgame: The product has been assembled & could be tested directly. Firstly place the car on a smooth surface, secoundly fill the bottom metal box with hot water at least 80 degrees Celsius & return it to the bottom. Preheat it for 30 seconds, then turn the flywheel to power it up, & the engine will start to move the car forward. During operation, the steering wheel of the car can be adjusted to adjust the forward direction. Fill with hot water once, it can run for 5-10 minutes-Value: By operating the engine, you would observe & know the operational process & more intuitive understanding of the operating principle of cryogenic stirling engine, deepenin



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Aerodynamics are rich in knowledge of physics, single cylinder combustion engine. Engine principle is intuitive, educational toys, teaching experimental equipment caneffectively cultivate children's interest in learning can also be used for classroomteaching, more intuitive & easy to underst&. Description: Name: Double Cylinder Engine Model
Material: Aluminum alloy, glass
Colour: Silver gold
Size:160x 87x 110mm Instructions:-The engine model on the horizontal position by hand toggle the flywheel to see if smooth, 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 steam too much, the engine will stop working, inside and


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Description: Dimension: Approx.15*11.5*15cm (Lx Wx H) Weight: 308g
Colour: As the picture
Material: Plastic

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Small Size Newtons Cradle Steel Balance Ball Physics Pendulum Feature: The set of balance balls is particularly suitable for the place such as office, desk table, computer table etc. It is a best & useful gift for children to arouse his/her interest in physics. Not only demonstrates a pendulum, but also shows the Laws of Conservation of Momentum & Energy. Friction & damping effects are also observed. Pull up one ball & release, only one ball in the other side moves, pull up two, two balls will react, & so on. When you are sleepless, just move your eyes with the bump of the ball, then you may slowly, slowly falling asleep. Watching the bump of the ball is a special way to pass the dull hours.
Material: Solid steel ball, Nylon plumb line, ABS plastic frames & base.
Colour: The base is Claret-red, the rest are Silver. Description: Dimension: Approx.9x 7.5x 9.5CM (Lx Wx H) Weight: 79g
Colour: As the picture
Material: Plastic & Nylon Package Included:1 x Newtons Cradle Balance Balls Desk Toy



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