Image Item No. Description By  772  Brick 1 x 2 x 2 without Inside Axle Holder or Stud Holder X Catalog: Parts: Brick 191  3001special  Brick 2 x 4 special (special bricks, test bricks and/or prototypes) Catalog: Parts: Brick 13  bhol06  Brick 2 x 8 without Bottom Tubes Catalog: Parts: Brick 2  bhol05  Brick 2 x 10 without Bottom Tubes Catalog: Parts: Brick 3  crssprt04  Brick 2 x 10 without Bottom Tubes, with Cross Supports Catalog: Parts: Brick 3  bhol01  Brick 4 x 4 Corner without Bottom Tubes Catalog: Parts: Brick 1