Originally Posted by Tish05

Actually it is pretty easy. One block is just 4 squares, and the next one is a star made of 16 HST's. There are two different star configurations, so I had to look at the diagram each time I put the 4 sets of HST's together to make the star block. That was really the only complication, and I only had to take two of the the star blocks apart and reassemble them properly, which isn't too bad (for me).