Floor pillow puzzle

I found this at http://badsentinel.com/2013/12/03/simple-ideas-that-are-borderline-genius-35-photos-5/genius-ideas-17-3/#main

I would imagine this could be pretty easy to make. All you need to do is cut out a template. Turn it inside out sew the edges and turn right side out and stuff then stitch the opening. I may try this!