How do you get all starship pieces if your a free player on mechquest?

How do you get all starship pieces if your a free player on mechquest?
--- I have found that if you go to the Dean, he will take you to the Starship field.
--- Then, Go over three scenes to the right.
--- You will see an old video game system, click on it.
--- It will take you to a level 10 mecha with about 240 h.p.
--- Defeat it and you will get the piece that has the funny looking rabbit with glowing green eyes.