Minikit 7
While the luggabeast is under your control, break the wall with a dark side Force user to open the way to a Minikit.
Minikit 8
Before entering the access hatch on the upper walkway, switch to a character wielding a lightsaber and cut through the door. Assemble the bricks behind the door.
Minikit 9
Look for a blue stud on a narrow ledge. After collecting it, move to the back wall and look for two pipes. Jump up to the pipes and move to the right to collect a Minikit.
Minikit 10
After BB-8 joins Rey again, construct a launch pad from the Multi-Build bricks. It launches the droid into a broken pipe above.