|For all other Vault Boy bobbleheads, see Vault-Tec bobblehead (Fallout 4).|
The bobblehead is at the topmost tier of the Mass Fusion building, resting on top of a metal statue overlooking the main hall. When entering the main lobby area, the Sole Survivor can use a scoped weapon to see the bobblehead when aimed upwards.
It is found on the fifth floor, accessible by jumping on the back of the couch beside the railing overlooking the lobby. The bobblehead will be below the player character's feet on top of the metal statue.