The Hill of Sorcery
Minikit #1 (Free Play)
There are five hanging skeletons in the area. The first can be spotted along the bridge at the level's start, the second right by Minikit #2, the third is to the left of the stairs in the same area, the fourth and fifth are hanging in the courtyard beyond. Shoot all five with arrows to receive a minikit.
Minikit #2 (Free Play)
Past the first magic barrier is a cluster of Lego columns, and above them is a handle. Use a flail character to yank it down, bringing a minikit with it.
Minikit #3 (Free Play)
There's a net on the left balcony in the courtyard. Bust up the blocks in front of it, then use a Goblin character to climb up to a minikit.
Minikit #4 (Free Play)
On the right balcony in the same area is a large cracked block. Buddy up two axe-wielders, then bust through this to uncover another minikit.
Minikit #5 (Story Mode)
Once you bust open the magic gate on the same balcony, step inside to light up the dark alcove. There's a clever minikit hiding in here.
Minikit #6 (Story Mode)
Right around the corner from the entrance are some hard-to-spot ledges. Jump to these, then leap up to grab the well hidden minikit.
Minikit #7 (Free Play)
There's a patch of dirt on the right side of the area. Use a shovel character to dig up some loose wraith bricks, then use Frodo's Ring to build these into a minikit.
Minikit #8 (Free Play)
On the right balcony is a Mithril gate. Blast through with Saruman to enter a secret area. In here, you can use an acrobat like Legolas to scale some poles and ropes to reach a minikit on a high ledges.
Minikit #9 (Free Play)
In the same area, you can grab a torch off the right wall. Use it to light the nearby shrine ablaze, releasing a minikit.
The Enemy Has Returned
Minikit #10 (Free Play)
While running from all the enemies, keep to the middle of the path. You'll grab a minikit as you pass under an archstone.