Let your passion for building take to the air for incredible adventures on the Technology Science & Play rescue helicopter! A new incredible kit with over 250 components to build a motorised helicopter and a further 20 models and technical applications. Lots of components including a worm screw, universal joint, planet gear carrier, gear wheels, blades and rotors, to approach the world of mechanics in a simple and fun way. And with the manually operated winch your rescue mission is accomplished! Follow the instructions in the illustrated manual, filled with technical and scientific insights on flight dynamics, or download the free APP with interactive 3D instructions for all models.