A coloring book with a story by Inko Kotoriyama, an illustrator and knit artist.
The main characters are Luka and Nico, twin chipmunks who are celebrating their birthday. The two ride a hot-air balloon on an adventure through the sky, outer space and under the ground. They are on their way to a party where their forest friends are waiting.
The book has a large, modified B4 format and 68 pages.
Translated from the Japanese original.