I would say around 13 is a good age
I bought mine from Office Depot
Check Pinterest also, they have a ton of great ideas! I am always on there
Needs.do is a mobile app for people to post their needs and get recommendations from the experts and/or their friends. Whether you are looking for the contact details of a service provider or trying to find some good suggestions to solve a personal problem, Needs.do is the easiest way to find customized recommendations.
This app is currently available on Apple App-store as well as Google Play Store