I received some 4x4 chipboard coasters in a package of "blog candy" that I won. I was looking for something to make with them and found a tutorial online about making a post-it note holder with them. I love the way it came out!
The cheetah stamp is from Prickley Pear Stamps (http://www.prickleypear.com/). The paper I bought at Joann's. I think it was from Hot Off the Press.