The first coaster I ever built using CDX Blocks was the Kennywood Jack Rabbit, looking back at it today it was not great. The hills were way to steep and the proportions were all wrong. So I decided to do it again on a much larger scale. The model shown here took about 10 Cyclone sets, and a month to build. Overall I’m very happy with how it turned out, it’s probably my favorite model I’ve built so far.