Hot Wheels Mainline - Walmart Exclusive 2015 Porsche Series - Complete Set of 8Hot Wheels Walmart Exclusive 2015 Porsche Series Complete Set of 8. All new on cards. Not all cards are mint as shown in the pictures, minor corner dings and wear. Cars included in this set are: 1) Porsche 914 6 2) Porsche 918 Spyder 3) Porsche 959 4) Porsche 993 GT2 5) Porsche 917K 6) Porsche Boxster Spyder 7) Porsche Carrera GT 8) Porsche 935 78