The document discusses various tools and methods used in service design including design thinking, Lego serious play, mind maps, canvases, empathy maps, thinking hats, lean startup, wireframes, storyboards, customer journey maps, and more. It provides an overview of how to run a 4-6 hour service design workshop by defining personas, customer journeys, and working in cross-functional groups without computers. Finally, it suggests how service design can add value for banks by improving processes like setting up accounts, withdrawals, mortgages, and funds.