IZOD IndyCar Series

the IZOD indycars are a series of promo cars released by mattel. they feature famous drivers, authentic decos, plastic chassis,diecast body and rubber wheels. they are 6 cars i believe in all and they are not numbered. (they're expensive!, $5.99 at toys r us) to find out more about these cars, please visit HWC.com also, please help me with the chart