A square-shaped object made of plastic. It was originally used to mark out the bases when playing baseball before the Great War.
Baseball base (1)
- Three in the baseball park next to BADTFL regional office.
- Three in Boston mayoral shelter.
- Three in Moe Cronin's house.
- Three in Suffolk County charter school.
- Three in Vault 75.
- Two can be found to the right of the Back Street Apparel front door.
- One in D.B. Technical High School.