Information for English Touring Opera - The Wellies at artsdepot, Outer London (Concert). Based on Hans Christian Andersen's The Galoshes of Fortune, The Wellies is a fun and immersive story about magic, splashing, and being and being careful what you wish for. Milly is bored. She's stuck at home; it's raining outside, and she's played with all her toys. She finds an amazing pair of shiny talking wellies with a special secret power; they splash you to any time and place you desire... Studio Theatre