Very cute ideas and reference! Glad it isn't too big a file and doesn't give too little ideas as a preview for its complete book, I'm assuming. If you're looking for a simple and creative idea, this is a nice app. Unless you are inexperienced in carving erasers! lol
ver1.3.1 : update AdMob SDK.
"TSUKURU handmade handmade videos and recipes how to make application" is an application that lessons in an easy-to-understand the how-to of handmade hand made.