If you enjoyed previous 3D Coloring books by ComboApp you'll be amazed by the brand new 3D Coloring Book for Kids: The Gift http://comboapp.com/products/us/app/3d-coloring-book-for-kids/id408620024?mt=8
Btw it's Free!
It's time to buy presents and we've got an idea to release 3D coloring book with a house to color and bunch of direct links to get the other books from this series. So here is the idea for a present for you to consider.