This Bugeye is one of the 1973 Shell Promos cars. Notes: Rear hood lifts up to reveal a metal engine. #HotWheels #Redlines #year1973

This Ice 'T' is one of the 1973 Hot Wheels cars. Notes: White plastic roof with 'Ice T' on sides, metal engine block in front. #HotWheels #Redlines #year1973

This Show-Off is one of the 1973 Hot Wheels cars. #HotWheels #Redlines #year1973

This Hiway Robber is one of the 1973 Hot Wheels cars. #HotWheels #Redlines #year1973

This Double Header is one of the 1973 Hot Wheels cars. Notes: Has one metal engine on each side of car. #HotWheels #Redlines #year1973

This Hiway Robber is one of the 1973 Hot Wheels cars. #HotWheels #Redlines #year1973

This Xploder is one of the 1973 Hot Wheels cars. Notes: Based on American Motors experimental car AMX/2, has two black plastic engine covers that pop up. #HotWheels #Redlines #year1973

This Double Header is one of the 1973 Hot Wheels cars. Notes: Has one metal engine on each side of car. #HotWheels #Redlines #year1973

This Splittin' Image is one of the 1973 Shell Promos cars. #HotWheels #Redlines #year1973

This Sand Witch is one of the 1973 Hot Wheels cars. Notes: Rear hood lifts up to reveal engine. #HotWheels #Redlines #year1973