1968 Mattel's Injector 
Featuring The Western World

Cowboy & Indian Molds

Mold No. 1 Arms & Cowboy Hat
4350-051-2 Top
4350-052-2 Bottom

Mold No. 2 Running Legs
4350-053-2 Top
4350-054-2 Bottom

Mold No. 4 Heads & Torsos
4350-057-2 Top
4350-058-2 Bottom

(missing mold no. 3 which has the legs standing and riding)