4th elevator piece

Where is the 4th elevator piece

Hello. Am i ever going to get an answer on this

iam missing one. one was in the bar. one beside the lantern in the abandon house and one on cork board at school. i need one from the bar but the door is locked.

iam missing one. one was in the bar. one beside the lantern in the abandon house and one on cork board at school. i need one from the bar but the door is locked.