Lego Technic Ultralight Helicopter 42057

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.Check out the white, red and black colour scheme with cool stickers.Spin the gearwheel and see the rotors and engine spring to life.Move the joystick to operate the tail rudder.A uniquely decorated LEGO® Technic 40th Anniversary brick is included with this model.This LEGO® Technic model is designed to provide an immersive and rewarding building experience.This set offers an age-appropriate build-and-play experience for ages 8-14.Interactive, 3D digital LEGO® Building Instructions app available online for both A and B models. Ask your parents’ permission.2-in-1 model: rebuilds into an Experimental Aircraft.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.