Teacher's aides issued by the bottling company giant to schools. Wonderful graphics featuring artwork by such giants as NC Wyeth. They are a tribute to American industry. Each set includes four 32x22" foldout posters with an additional 16x11" mini poster. Herein are complete sets (5) of Motion Pictures, Steel, Electricity (two complete sets), Cotton & Glass. There are also single posters for transportation (16x11" & #1 in the series in 32x22"). There are also three visual instruction booklets for glass, transportation and steel. Overall EX. Total of 35 pieces.