Image Item No. Description By  3005  Brick 1 x 1 Catalog: Parts: Brick 374137  3065  Brick 1 x 2 without Bottom Tube Catalog: Parts: Brick 9976  3003old  Brick 2 x 2 without Inside Supports Catalog: Parts: Brick 4156  3002old  Brick 2 x 3 without Cross Supports Catalog: Parts: Brick 1141  3001old  Brick 2 x 4 without Cross Supports Catalog: Parts: Brick 1839  3007  Brick 2 x 8 Catalog: Parts: Brick 40144  3006  Brick 2 x 10 Catalog: Parts: Brick 23802  700e  Brick 10 x 20 without Bottom Tubes, with '+' Cross Support and 4 Side Supports (early Baseplate) Catalog: Parts: Brick 12