Nina investigates how luggage gets onto the right aeroplane at the airport - with the help of Luke, her sight neuron and Felix, her touch neuron. Engineers Joe, Lewis and Maisie visit Nina in her workshop and discover that conveyor belts make it easy to move heavy suitcases. They go to Edinburgh airport and see how their conveyor belts use labels to move suitcases to the right planes.

Originally released by BBC Worldwide Learning, 2013. Streaming video file encoded with permission for digital streaming by Infobase on April 29, 2015.