Melissa & Doug U.S.A. Map, 45 pc(s), Maps, 5 yr(s) Melissa & Doug U.S.A. Map. Number of puzzle pieces: 45 pc(s). Genre: Maps, Recommended age (min): 5 yr(s), Recommended age (max): 8 yr(s). Width: 15.5" (393.7 mm), Height: 0.35" (8.89 mm)