My girls loved the book, The Borrowers by Mary Norton.
"Underneath the kitchen floor is the world of the Borrowers-Pod and Homily Clock and their daughter, Arrietty. In their tiny home, matchboxes double as roomy dressers and postage stamps hang on the walls like paintings. Whatever the Clocks need they simply 'borrow' from the 'human beans' who live above them. It's a comfortable life."
We decided as an art project to make our own "little" family. Here's our creations: