Rainbow Greetings Card by Scout EditionsRainbow mini greetings card by Scout Editions. Printed on a risograph using soy based inks, this charming mini card can be used in place of a standard gift tag for a present, or simply given as a special thank you card. Blank inside with brown kraft envelope. All cards include a quote or interesting fact about the subject on the back: A rainbow is an arch of colours visible in the sky, caused by the distribution of the sun's light by rain or other