RollerCoaster Tycoon 3

A set that will create many types of bridges in different themes.
Author: Old-Spice

Adds a touch of realism to your parks construction area.
Author: Old-Spice

Custom supports for corkscrews.
Author: Old Spice

Funfair House of Illusions.
Author: Coastergirl

Huss Rainbow on tour (transport).
Author: Coastergirl

Author: Ahsan
This is my first cs set.

Author: StationJimJr
Second installment of garden goodies! 224 pieces in total including big trees, medium trees, smaller trees, shrubs, hedges, ivy, benches, bins, lamps and gnomes! :)
Cheers! Have fun! ;D

Author: Coconutter
Part I of a multi-pack set for a European main street. Includes building elements such as walls, roofs, pavements, pillars, windows etc.
 

Huss Magic on tour (transport)
Author: Coastergirl

A set which contains a few plane crashing items.
Author: Old Spice

A few Halo-themed objects.
Author: Old-Spice

Author: Osudenny
Building Signs. 
Hope you enjoy them and they will be useful to you in your parks.
Denny
 

Author: Kosherboy35
Here is my second CSO for download, please enjoy, rate, and give credit for use! Thank-you.
KB35

Author: Kosherboy35
This is my 3rd CSO based off of RCT2's Ornamental Structure! Please enjoy and mention me in uses. 🙂
KB35
**ALSO PLEASE CHECK OUT AND SUBSCRIBE TO MY YOUTUBE CHANNEL**
http://youtube.com/channel/UCy3r1IFwM4xuGnGZyyj1P4w?desktop_uri=%2Fchannel%2FUCy3r1IFwM4xuGnGZyyj1P4w

Finally a working dunk tank for rct3 A most have for all carnival and fairs
(Dunk Tank can be found in stall where you find in-game game stalls)

Cso made by: Isaac sheaffer
Imported animated by: Woody Lipkins

Author: Osudenny
For the outer walls of your parks.

Author: Osudenny
 

Author: Replay
A Set of Ride Event Doors in 2H half sections each with 8 animations to choose from, three designs available each one able to be re-coloured.

Holiday-themed set including icicle style string lights, ice path covers, and wreaths with lights.
Author: Old Spice

Peter's Avalanche Summit Part 2
An assortment of about a dozen pieces in various slopes, straights, curves, and helixes.  This set has been flagged to take on the terrain and cliff textures in your park.
Created by: coaster-inc

Peter's Avalanche Summit
An assortment of about a dozen pieces in various slopes, straights, curves, and helixes.  Comes in a realistic concrete texture that is not colorable.
Created by: coaster-inc

A bunch of Maple trees.
Author: Old Spice

A set including the planets 1 - 9 and some asteroids.
Author: Old Spice

Author: Osudenny 
Also I did some research and enclosed is a folder of wanted poster for the Wanted Litter Bin and that folder goes into your RCT3 folder in the my pictures.

Create your own reflective pool with this set.
Author: Old Spice