Chapter 2: Escape From The Finalizer - Jakku Graveyard
Rey and BB-8 team up for the last four minikits in the chapter, but you'll need to revisit with Darth Vader to collect two of them.
Minikit #1 - Free Play Mode
Use the dark force on the wall on the left.
Head through the gap and pick up the minikit.
When you have control of Rey are on the top floor of the downed ship, mak yor way to the wall on the far right.
Climb along the bars to reach the minikit.
Minikit #3 - Free Play Mode
On the top floor, you'll see a door that can only be opened with a lightsaber. Once you're through, you'll find parts to build a minikit.
When you reach the exit, break apart the crates.
Rebuild the bricks into a platform for BB-8.
Switch to the droid and use the platform to reach the pipe above. Roll through it to reach the minikit.