Description from the publisher:
Steam Park: Play Dirty, a modular expansion for Steam Park, allows you to introduce many different new features one at a time — or all together:
Corax White - $5.40
Averland Sunset - $5.40
Jokaero Orange - $5.40
Khorne Red - $5.40
Mephiston Red - $5.40
Barak-Nar Burgundy - $5.40
Screamer Pink - $5.40
Citadel Base Paints
Varies