Marble ID

[Hogtown Hunter]

I know nothing about marbles and just recently started to pick them up while looking for bottles. Thought I would ask the experts on here about what they are and how old. I don't remember where I got the white ones but the two blue ones I found in the same creek on different days. I thought it was strange that they're almost identical. The dark red one was in a dump that dates to 1910-1920. Don't know if it is part of the trash or was dropped later? It's very small. Is it even a marble?
Thanks, Jeff