7245ce09_4_Red_Bricks___Bone_Fish_Gamer__Brick
[Location] Defense Against the Dark Arts Classroom (Right) [How to get] Use Reducto to open the chest beside the blackboard then tip out the contents and build them into a doorway to a secret area. Go into the new area and get rid of five boggarts for the brick. [Cost] 50,000 [Brick] 
Regenerate Hearts
Lego Harry Potter: Years 1-4 Red Bricks | Bone Fish Gamer
Brick