Niji Spiral is dedicated to creating engaging and inspiring low content books. We have coloring book and stamp collection book. The stamp collection book can be used in Japan. Across Japan has lots of free collectable rubber ink stamps at train stations (駅スタンプ eki stamp), landmarks, attractions, museums, shops and many more! This notebook is a perfect way to keep all your memories in one place. You can also use it like a journal and stick your train tickets and entry tickets from attractions.