Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download Fairground Rides Free.
Fairground Rides v1.0
This package contains 17 different rebuilds of classic fun fair rides. All of them come with animations and light animations. Most of the animations are done by simple scripts and can be modified by the user.
Texture sizes between 512×512 to 2048×2048.
All objects are created in a medium level of detail.
The total polygon count for all of the objects together is about 600.000.
For smaller systems have a look at our upcoming mobile version of this package.