I have made three Weaver Fever quilts....one using the size of everything in the booklet (10" blocks), one had everything doubled (20" blocks instead of 10") and one had everything halved... 5" blocks instead of 10". All the same colors for a reason; I used them as an example of scale when I taught math. The kids loved seeing what you could do with scale and I enjoyed the challenge of figuring it all out and making them....