Under $100

Features: .Parameters: Air inlet diameter: 4mm, air outlet diameter: 6mm; output shaft diameter: 1.95mm; speed: up to more than 50000RPM .Exquisit...

ENJOMOR Custom γ-Type Stirling Engine Model Science Experiment Educational Toy with Voltage Digital Display Meter and Glow Lamp Bead Features:γ-typ...

γ-shape Stirling Engine Generator Model with LED Lights Voltage Digital Display Meter Science Educational Model STEM Collection Features:Exquisite ...

ENJOMOR Single Cylinder Stirling Engine Model Science Educational Toys - GoldenFeatures:Exquisite Decoration Model: The overall structure design of...

ENJOMOR Custom Balance Type Hot Air Stirling Engine Generator Model Science Experiment Educational Toy with Voltage Digital Display Meter and LED B...

ENJOMOR γ-Type Gas Displacement Piston Type Low Temperature Difference LTD Stirling Engine Metal Gear Transmission Heat Engine Model Features:LTD S...

ENJOMOR Plane Head Stirling Engine Pocket Free-piston Motor External Combustion Engine Model ToyFeatures:Science Education Toys: This stirling engi...

ENJOMOR Gamma Hot Air Stirling Engine External Combustion Engine Model with LED LightFeatures:.With unique design and simple structure, the model i...

ENJOMOR Balance Twin Cylinder Hot Air Stirling Engine External Combustion Engine ModelFeatures:.Science Educational Toy: Stirling engine is an exte...

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3D Puzzle DIY Model Kit Jigsaw Metal Scorpion King Mechanical Assembly Crafts-200PCS+More Details:Design Story: We have been figuring out how to m...

700PCS+ 3D Metal Bengal Tiger Kit  Assembly DIY Toy - 3D Assembly CraftsFeatures:Wonderful DIY experiencing : 700PCS+ and assembling time is about...

Tiger Wing 3D Metal Model Kit Accessories for Bengal Tiger, Saber-toothed Tiger Features:.The beautiful wings is suitable for Bengal tiger and Sabe...

S026H Dual-Rotor Transport Aircraft 2.4G RC 3CH Dual-Rotor Military Aerocraft Model (RTF Version/Army Green) Features: 1. This helicopter is a simu...

1/16 Scale RC Tank Soldier Military Model Product weight: 38gPacking size: 8.5*8.5*6.5;

Features: Background information: Nine-cylinder radial engines are used in many types of aircraft, a famous example is the Pratt & Whitney R-13...

Features:Product Background: MACK T-310 It features revolutionary shifting, multi-speed reverse capability; standard, single-piece aluminum housing...

Features: Background information: The 14-cylinder radial engine is not widely used;However, one of the most famous engines is the powerful 801, whi...

1. Original design, designed and licensed by Bricktec Designs, MOC-171732 Crossplane V8 with Supercharger & removable Cover.2. Technical detail...

1. Original design, designed and licensed by Bricktec Designs, MOC-171736 V8 Crossplane.2. Technical details:A V8 Engine with a Crossplane Cranksha...

RETROL Full Metal Beam Steam Engine Model and Horizontal Boiler with Centrifugal Regulator DIY Assembly Kit (84PCS)    Features:Wonders of Steam Po...

V8 Engine Model Kit - Build Your Own V8 Engine for Capra VS4-10 RC Before purchasing: This product is an XLA high-precision 3D printed resin mod...

Mini Swing Type Steam Engine Generator Steam Power Machine Features:1. Steam Power Generation: At the heart of this model is its ability to simula...

Model Introduction: Created and authorized by WPNGLS, the R-4360 Wasp Major combined four 7-cylinder radial engines into one, displacing 54.9 liter...