Image Item No. Description  3004  Brick 1 x 2 Catalog: Parts: Brick  3010  Brick 1 x 4 Catalog: Parts: Brick  3009  Brick 1 x 6 Catalog: Parts: Brick  3003  Brick 2 x 2 Catalog: Parts: Brick  3001  Brick 2 x 4 Catalog: Parts: Brick