1940s brass charm bracelet mechanical moveable charms

This amazing vintage charm bracelet estimated to be from the 40s includes the following charms: Baby buggy - wheels move Covered wagon - wheels move House with man and woman - couple swivels I love you book with red enamel heart on back Music Box - moveable crank 7.25" spring ring clasp metal content is unknown - nonmagnetic. color is a golden brass color with a hint of rose gold tone