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Smithsonian DIY Inline 4 Cylinder Car Engine Model Kit STEM Science Gift Blue

( reviews)
$89.99 USD $99.99 USD Save $10.00 USD
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Smithsonian DIY Inline 4 Cylinder Car Engine Model Kit STEM Science Gift Blue

220220030
( reviews)
$89.99 USD $99.99 USD Save $10.00 USD
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Smithsonian DIY Inline 4 Cylinder Car Engine Model Kit STEM Science Gift Blue

Hero Section: Unlock the Secrets of the Highway
We drive them every day, but the mechanical symphony occurring under the hood remains a mystery to most. The Smithsonian DIY L4 Engine Kit changes that. This isn't just a model; it is a backstage pass to the world of automotive engineering. backed by one of the world's most prestigious scientific institutions. Whether you are a budding mechanic, a hobbyist looking for a relaxing weekend project, or a parent seeking to spark a passion for STEM in a young engineer, this kit transforms complex physics into a tangible, moving reality.

Why Choose the Smithsonian L4 Engine Kit?

  • Trusted Educational Authority: Officially licensed by the Smithsonian Institution, this kit is designed with educational accuracy in mind. It’s not just a toy; it’s a verified STEM learning tool that bridges the gap between textbook theory and hands-on application.
  • X-Ray Vision Engineering: The defining feature is its crystal-clear transparent housing. Unlike real engines hidden behind cast iron, this model lets you witness every stage of the internal combustion cycle. You see the valves dance and the pistons pump in real-time.
  • Visual & Auditory Feedback: It brings the mechanics to life. The spark plugs fire (via synchronized LEDs) at the exact moment of "combustion," and the moving parts create a satisfying mechanical rhythm that mimics a real engine's operation.
  • The Ultimate Bonding Project: In a digital world, this kit offers a refreshing analog experience. It provides the perfect excuse to sit down with a friend or family member, spread out the parts, and solve a mechanical puzzle together.

Technical Highlights: The Science Inside

  • The Otto Cycle Explained: This model perfectly demonstrates the four-stroke cycle: Intake (piston goes down, valve opens), Compression (piston goes up), Combustion (LED lights up, piston pushed down), and Exhaust (piston goes up, valve opens).
  • Camshaft & Valve Timing: You will assemble a functional valve train. Watch how the overhead camshafts push the rocker arms to open the intake and exhaust valves in perfect synchronization with the crankshaft rotation.
  • Ignition Simulation: The distributor and spark plug system are simulated using red LED lights. They fire in the correct firing order, visually explaining how timing affects engine performance.
  • Battery Operated Safety: While it simulates a gas engine, it runs safely on batteries. This allows for indoor building and operation without the need for fuel, oil, or dangerous fumes.

Specifications

  • Brand: Smithsonian
  • Type: Inline 4-Cylinder Simulation (L4)
  • Color: Blue / Transparent
  • Material: Durable ABS Plastic / Metal Hardware
  • Visual Effects: LED Spark Plugs, Moving Pistons/Fan/Valves
  • Power Source: 2 x AA Batteries (Not Included)
  • Assembly Time: Approx. 2-3 Hours
  • Product Weight: 1200g
  • Package Dimensions: 37.5 x 30 x 7.5cm

Usage Scenario: The "First Start" Moment
The table is cleared. The instruction manual is open. You’ve spent the last two hours snapping connecting rods to pistons and aligning the timing gears. It’s time. You insert the batteries and flip the switch. The electric motor whirs, the fan starts spinning, and suddenly, the engine comes alive. The pistons pump rhythmically, and the "spark plugs" flash in sequence. You turn to your building partner and say, "So that's how it works."

Important Tips from the Workshop

  • Trim the Tabs: The plastic parts come on a "runner" (frame). When twisting them off, small plastic burrs may remain. Use a small file or nail clipper to trim these smooth to ensure the moving parts don't catch or grind.
  • Mind the Orientation: Pistons and cam lobes have specific directions. Pay close attention to the diagrams in the manual. If a part feels like it's being forced, check the alignment again.
  • Battery Power: High-quality alkaline batteries are recommended for the best speed and LED brightness.

Customer Support
We want your building experience to be flawless. If you encounter any missing parts or need help troubleshooting your engine assembly, please contact our support team at service@helloworld7.com.

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