Part B: Death Star Throne Room
Destroy 3 Silver Antennas with the Silver Lego ability.
Hidden behind a pile of junk. After the first shootout.
Shake out a bucket with the force.
Build a device for BB8 so he can open the hatch of the crashed space ship.
Destroy the Gold Lego box with the Gold Lego ability.
Use Ackbar at the pool, build a terminal and use it.
Use the strength handles at the hut.