1959 MERCURY MARK 78A TOY OUTBOARD MOTOR not the DRINK MIXER & REPRO GAS TANK. View My Other Items For Sale. View My About Me page.The item "1959 MERCURY MARK 78A TOY OUTBOARD MOTOR not DRINK MIXER + REPRO GAS TANK" is in sale since Friday, July 22, 2016. This item is in the category "Toys & Hobbies\Electronic, Battery & Wind-Up\Battery Operated\Pre-1970". The seller is "randystoyshop" and is located in Noblesville, Indiana. This item can be shipped worldwide.