KolorFun is an integral part of the coloring book "4D Color Paintings" published in Vietnam. The first set with the theme of African Animals was published in the first quarter of 2017, ISBN 978-604-80-2336-2, Information and Communication publisher.
You need to buy the book "4D Color Painting" (Tranh tô màu 4D – Động vật Châu Phi) for use with this application. Books are distributed nationwide in Vietnam
Thank you