Attain the indicated town rank to be able to earn the item:
Crowbar - One star.
Saw - Two stars.
Pick Axe - Three stars.
Blow Torch - Four stars.
Town Monument Blueprint - Five stars.
Attain 100% of the indicated interest in your town to unlock the corresponding Sim. A message stating that a special guest will be waiting for you in the hotel will appear.
Go there the next day to find that person.