They are great Cars With AWESOME detail. However, they do have plastic bases. The Newer ones have Rubber tires, but the older models such ar the Lambo Murcielago non roadster version are plastic....they still are nice. I think my Rx-8's have plastic as well as some of the Porsche's. The newer Porsche models Like the Carrera GT and the New 911 have Rubber tires. Hope this helps more than it confuses you :wave:Just found 1/64 Autoart on the net,They have porsche,mazda rx8,lambo & others,Anyone know if they are good with full metal chassis,rubber tires,They look good.