It's really easy to lose track of which Sails of Glory ship model is which if they get separated from their bases. Here's how I am marking my ships to keep them from getting mixed up. The Starter Kit is preceded with 'S', the Kickstarter exclusives with 'K', and the rest will be marked. The engraving tool spins at a few billion RPM so a gentle, steady, hand is required. Then the yellow crayon is rubbed in and excess wiped off. It only takes a few seconds per model. I'm also taking a Sharpie and numbering the boxes in which they come (since they are so handy for storage and transport) just in case I don't have the sheet handy.