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Features a high-tech aerodynamic design, open cockpit with detailed seat, spinning main and tail rotors, controllable tail rudder, and a detailed engine with moving pistons
A uniquely decorated LEGO® Technic 40th Anniversary brick is included with this model
2-in-1 model rebuilds into an Experimental Aircraft- interactive, 3D digital LEGO® Building Instructions app available online for both A and B models, ask your parents’ permission
Ultralight Helicopter measures over 4” (12cm) high, 9” (25cm) long and 7” (18cm) wide
Experimental Aircraft measures over 3” (9cm) high, 7” (18cm) long and 7” (19cm) wide
This LEGO® Technic building set is designed to provide an immersive and rewarding building experience
This vehicle set offers an age-appropriate build-and-play experience for ages 8-14
LEGO Technic Ultralight Helicopter 42057 Advance Building Set B01KIORG4A