Everything is made with wood and painted with acrylic paint.
Here is what is included and dimensions.
Water tower: 5.5"x5.5"x8"
Rail road crossing signal: 5"x1.5"x4"
Wagon (8) : 5"x2.5"x3"
                        5.5"x3"x2.5"
                       6.5"x2.5"x3"
                       4.5"x2.5"x2.5"
                       5.5"x3"x2.5"
                       8"x2.5"x3.5" (engine)
Train track curve: 11.5"x2.5" (2)
Train track straight: 10"x2.8" (4)
Total: 16 pieces