This example saves the costume numbers of the three clothing sprites. Press the blue top, bottom, and shoe buttons to change each element. Press the "Save" button to get a save code and copy it. Press the "Enter Code" button to enter a save code to show a previously selected outfit.
See inside for more notes on how this works. You can check out my video tutorial on Variables and Lists on the official Scratch YouTube channel (ScratchTeam) and find a link to written resources related to this topic in the video description.