Find the floating Lego Movie kit that's surrounded by studs by the police station. Walk up to it and hit the B button to enter the following passwords.

Effect	Password
Angry Kitty and Construction Pants (Emmet's Construct-o-Mech)	HVLH63VL
Blacktron Fan and Musical Pants (Rescue Reinforcements)	6LKMNDHR
Johnny Thunder and Super Secret Pants (Super Secret Police Dropship)	HVL4TQT4
Robo Pilot and Astro Pants (Benny's Spaceship, Spaceship, SPACESHIP!)	6LK3RRY4