954 PASSENGER CAR DRUMHEAD DECAL AMERICAN FLYER S Gauge Trains 954 PASSENGER CAR DRUMHEAD DECAL AMERICAN FLYER S Gauge Trains. WATER SLIDE decal. Trim, place in hot water and apply. Water Slide Decals are applied by soaking in hot water and then sliding the decal off the backing paper onto the surface. Pat dry with a paper towel. This requires some expertise and care.As Pictured, sized for use on ...