Not very often you get the opportunity of seeing a rainbow after a short summer rain. But here is something just as good and can be used any time you feel like. It’s the Rainbow in your hand book that has 36 pages with the color spectrum and a black background on each page. When you flip through the pages, you will see a 3D rainbow in the air.

This book was created by Masashi Kawamura, a Japanese art director and copywriter.

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