Construction toy features a search and rescue helicopter with motorized and manual functions to help curious kids learn how a helicopter works Motorized features include the spin rotor and tail, slow and fast rotor speeds, retractable landing gear, hoist and spinning replica engine Model helicopter kit's manual functions: the swash plate to control the pitch of the rotor blades, a cockpit door and sliding passenger doors This construction toy's manual functions also include opening front and rear cowlings to explore the steering mechanism This battery powered toy helicopter requires an AA battery (not-included), the set also includes 1 x motor LEGO Technic educational building sets feature realistic movement and mechanisms that introduce young LEGO builders to the world of engineering