LEGO MOC MK2 6 Cylinder Lego Pneumatic Engine - Inline 6 - 2000RPM by Green Gecko | Rebrickable - Build with LEGO
LEGO MOC MK3 V8 Lego Pneumatic Engine - Twin Turbo Switchless - 10x More Power + 1500 RPM by Green Gecko | Rebrickable - Build with LEGO
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