Aunt Lily is up to her old tricks again when she decides on the best way to be rich. She decides to 'invent' the paperclip years before it was even thought of, leaving the mirror to change the entire history of every paperclip. When the children find out what Aunt Lily has been up to they understand why the mirror isn't working properly. Mandy also helps an up-and-coming inventer discover his own invention: bubble gum.