People with Triple Thrill Pack: For toggle chain, paint the part where you want the chain alternative color scheme one. Make sure it's a different color than the main color. Then go to 8 cars, then go to rides, pick alternative color scheme 1, check the box next to toggle chain, click apply, but DO NOT click ok. Go back to the game. It should have a chain on it. Sometimes the chain isn't there. Go back to 8 cars and select a different ride. Than press ok.