tot lot
n.— «Money is scarce and small youngsters are plentiful. By using ingenuity instead of cash, the people at Herlong set up what they call a Tot Lot. It is a playground designed and built almost entirely from scrap material.» —“New Playground is Equipped With Scrap Materials” Nevada State Journal (Reno) Sept. 14, 1952. (source: Double-Tongued Dictionary)