Don't use any tempra paint (thats the big bottle of brown in the GW scenery painting kit). If you use any model paints or even house pants that use latex as a bonder it will be fine. Most hobby paints tend to be acrylic though so I would recommend Liquitex, you can get it at an art store but make sure you get your colors in "concentrated" and not "Soft bodied". The concentrated will be more expensive but its worth it, you might even be able to get away with their cheaper line I think its called "Basic".
also anyone with pilling felt could make a small investment into a pill remover
http://www.sourcingmap.com/classical-elegant-engraved-palace-pocket-watch-brass-p-13375.html?utm_source=google&utm_medium=froogle&utm_campaign=usfroogle