We have identified this decoration as "Rainbow" because the multiple colors cover the visible light spectrum. This decoration only appears on one side of the car while the other side is gray with red lettering. Each car comes fully assembled with etched metal roofwalks and Micro-Trains® trucks and couplers.

"The chemical formulation OCN(CH2)6NCO is Hexamethylene Diisocyanate. The product is used to produce a polymer when combined with Butanediol which is a crystal. The product is used in the production of plastics. Hexamethylene Diisocyanate is also used in the production of enamel paints and gives it that hard shiny surface for a more durable finish and is used in automotive and aircraft paint."