Carbonite 1
Unlocks Qui Gon Jinn
Skills needed: Cracked LEGO
Smash the cracked brick.
Carbonite 2
Unlocks Obi Wan Kenobi (Episode III)
Skills needed: Aquatic
Jump into the dive pool near the shore of the lake.
Carbonite 3
Unlocks Rebel Commando
Skills needed: First Order
Use the First Order terminal to open the large container.
Carbonite 4
Unlocks Yoda
Skills needed: Staff, Agile
A spinner switch in the ruins raises a platform. To reach the carbonite, ascend the climb wall.
Carbonite 5
Unlocks Queen Amidala
Skills needed: Lightsaber
Cut through the door next to GA-97 with a lightsaber.
Carbonite 6
Unlocks Princess Leia (Ewok Village)
Skills needed: None
Go up a staircase that ends with a button on a landing. Move one character on the button, which opens the door. Send your other character through the door to get the carbonite.
Carbonite 7
Unlocks Stormtrooper (Classic)
Skills needed: Grapple Gun (x2)
A troop transport at the edge of the ruins has two grapple handles on its front ramp. Pull both handles at the same time to open the ramp.
Carbonite 8
Unlocks Teebo
Skills needed: Grapple Gun, Force Manipulation
Pull the grapple handle above Grummgar to wake him. Defeat him in a fight, then use Force powers to open his bed.