7245ce09_4_Red_Bricks___Bone_Fish_Gamer__Brick
[Location] Ravenclaw Common Room [How to get] Around the room there are various pieces of dark grey lego. Use Wingardium Leviosa on them to move them to the middle of the room. You will know when you have all the pieces because a cloud of smoke will come off of them all. When they are all together hit them collection with a spell and it will fly up into the air and drop the brick. [Cost] 250,000 [Brick] 
Hogwarts Crest Detector
Lego Harry Potter: Years 1-4 Red Bricks | Bone Fish Gamer
Brick