Frankly, I never tested the system. It has been sitting on the shelf as a nice display piece. The item "Vintage Marx Friction Army Command Car with Commander Great Condition" is in sale since Wednesday, January 6, 2021. This item is in the category "Toys & Hobbies\Vintage & Antique Toys\Tin\Other Vintage Tin Toys".
The seller is "karenb1992" and is located in Fountain City, Wisconsin. This item can be shipped worldwide.