Image Item No. Description  25214  Brick, Round 1 x 1 d. 90 degrees Elbow Macaroni - No Stud - Type 2 - Axle Hole Catalog: Parts: Brick, Round  24947  Brick, Round 2 x 2 Dome Bottom with Studs Catalog: Parts: Brick, Round  24599  Brick, Round Corner 5 x 5 x 1 without Studs Catalog: Parts: Brick, Round