The comic book "Rainbow Crossing Behind the Hill" is a science series that informs children that rainbows occur because of the refraction of sunlight hitting water droplets. Rainbows have an array of red, orange, yellow, green, blue, indigo and violet. This comic book is produced by Pendidikan.id and prepared by experienced teachers, and aimed for 7+ years old children. This comic book is expected to provide knowledge to children about how the process of rainbows occurs as a natural phenomenon.