In the new Lego Star Wars video game (LEGO Star Wars III: The Clone Wars) minikits are used to unlock other extras, such as extra playable characters.
What happens when you collect all the Minikits?
Finding every minikit in the game does not provide you any specific reward, but you will get one gold brick and one comic book after collecting all minikits on the stage. Obtaining all collectables is also required to finish the game in 100%.
How do you get the Minikits in Lego Star Wars 3?
The easiest way to do it is using the Force. Choose a Jedi, find the robot and Force push it into the corral #9_4. As the last one gets inside, you will receive the minikit. In order to get the last minikit you will need a character with a sniper rifle, e.g. Aurra Sing.
What do you get for completing Lego Star Wars?
You will receive this once you get: 160 gold bricks. 360 mini-kits. 36 red bricks.
How do you unlock Robonino in Lego Star Wars 3?
Characters can be unlocked by buying them in the main hub world and also by visiting the incubator room after collecting all ten Minikits in any level. Bounty Hunters like Robonino and Aurra Sing can be unlocked after playing the Hostage Crisis level on the Separatist ship.