Motorsports Authentics will relaunch the Muscle Machines brand at Wal-Mart this month with a special assortment of 1:64 scale street machines. Series One will be comprised of 16 different paint schemes and a chase car. A five-pack offering will also be available and cars will include classic rides from the 1930s through the 1950s and muscle cars from 1964-1972. Additional Muscle Machines product offerings are in the works for 2008. The cars were carefully selected based on their special connectivity to aficionados in the automotive industry.