How to make a Ninja mask from a t-shirt! - Mom vs the Boys
Ninchat - NINCHAA! If you have met us in person you might be one of the lucky owners of a Ninchat t-shirt. Here are the official instructions for making a Ninchat Ninja
How to Make a Ninja Mask from a T-Shirt - YouTube
How to Turn a T-Shirt into a Ninja Mask {With no cutting or sewing!} - Frugal Fun For Boys and Girls
Ben's Journal: From T-Shirt to Ninja Mask in 5 Easy Steps