Spray paint the plastic bottle and 4 plastic bottle caps (if you would like). The plastic bottle will likely be the outside of the car (you'll want to continue to keep the original bottle cap around the bottle simply because you'll be employing that soon). Your browser isn’t supported anymore. https://toyfiretruck31750.mybloglicious.com/50254805/how-to-build-fire-truck-can-be-fun-for-anyone