This first one is an old toy car. Note the axles for its missing wheels.
The copper shot box has a label, which when wet, has some legible words: ---ILLINED / EL 10 / Center Fire / Winchester / 1916.
The lens I don't know anything about.
Walk out of any doorway, feel your way, feel your way, like the day before. Maybe you'll find direction around some corner where it's been waiting to meet you-- -"Box of Rain" by Robert Hunter of the Grateful Dead