I'm finally building my pristine Revell XSL-01 Manned Space Ship kit (Collectors go elsewhere, I'm a builder. The Space Station is next). Pristine except for the very yellowed decals. If you live in the Pacific NW and like myself, haven't the time to wait six months for the sun to bleach them out, here's a tip: tape them close to a florescent light. I've had these up next to one for a week and they are now as clear as the day they were printed. I was amazed that it worked! I'll let you know if anything changes after I've tried applying them.