Collect a character godot

hello,
i need to character build similar to the ones in the bad pigges,rovercraft, space flight simulator etc.
i need you to assemble a car in scene 1 and drive it in scene 2
when i just use add_child in 1 scene, in 2 scene does not save position, amount-never
i can do it?
thanks for the help,Itranslated through the translator))