No, don't buy it. I bought it and played for about 15 minutes. You can only build wood, steel, and inverted coasters. But they are lacking so many things. There are very few elements given to you, and you can not decide hill heigth or steepness. No banked turns. There are only about 20 track peices to choose from and the physics are all wrong. Stick to RCT for designing coasters, and do not buy 3D Roller Coaster Designer.
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ZEPPELIN RULES