8+. Die-cast body; Die-cast chassis; Special pain. Hot Wheels Series 4 Classics are here! We've gathered more of the best know Hot Wheels designs, muscle cars and hot rods, which celebrate 15 of the most collectible Hot Wheels cars over the last 40 years! All of the cars will features Spectraflame colors! In Series 4, look for some old favorites, as well as our debut models! All the cars have die-cast bodies and chassis and will be released throughout the year in a variety of Spectraflame candy colors. Try to collect them all! Not for use with Hot Wheels Sets. CE Listed. Conforms to ASTM F963. Made in Thailand.