Chapter 1, Hero
The red brick appears after you strike all the targets with a batarang on the cage during the Clayface fight of level one. In level two, climb to the top of a magnetic platform, glide to the glass structure to the right and pull the orange handle as a strong character. Enter the alley off the top left of the screen during the Two-Face fight in stage three to find the brick. Blow up the two tanks and build a lever and generator at the end of level four. Pull the lever and buzz the generator with Joker. The fifth brick can be found in a vault to the left of the toxic waste map after stepping on color buttons in order.
Chapter 2, Hero
The red brick is behind sonic glass at the end of level one. At level two's end, shoot the four targets in the upper right of your screen with torpedoes. Next, use Robin's technology suit to guide the boat in the water to run over the buoys. Jump up the metal stairway at the second part of the level, bomb the grate and swim below the water in stage four. The red brick is in a room to the right of the Penguin fight of the final level.
Chapter 3, Hero
The first brick appears after you fill the colored vats behind the sonic wall at the left of the screen. In the next stage, use the technology suit to operate the crane machine three times. Stage three requires you to fly behind the toxic fumes and shoot the red structures. Jump to a platform that holds the brick in level four. Finally, use a strong character to move the organ and jump on the pump to create the red brick.
Chapter 1, Villain
Compact the red car after removing all vehicles with Mr. Freeze in level one. The second brick is in an ice room with three workers. Then, access a room from the top left of the Venus flytrap room after collecting 25 Lego pieces with the vacuum suit to get the brick. Level four's brick is located behind a painting in the room with the dance floor. The last brick is located in a small room behind a laser fence and shiny door.
Chapter 2, Villain
The first brick is in a room that requires Poison Ivy to access and Penguin bombs to break a fence. In stage two, the brick is behind the glass wall in the room with Penguin doors. The third brick is in the area behind the colored Lego wall. Next, the red brick is through the wall on the left of the bathroom. Deposit 25 pieces in the vacuum collector in level five to create a crane that picks up colored fish.
Chapter 3, Villain
The first red brick in chapter three is at the top of the roller coaster, behind a barrier you must bomb. The second brick appears after you have shot all five sets of poles with red and white stripes. Bomb the shiny door at the right to enter the room with the fruit paintings to find the third brick. The playground contains the fourth brick that you can reach with Poison Ivy. The final red brick in the game appears after you build the floor cleaner and clean up all the paint.