Image Item No. Description  3005  Brick 1 x 1 Catalog: Parts: Brick  2453a  Brick 1 x 1 x 5 - Hollow Stud Catalog: Parts: Brick  3004  Brick 1 x 2 Catalog: Parts: Brick  2454  Brick 1 x 2 x 5 Catalog: Parts: Brick  3622  Brick 1 x 3 Catalog: Parts: Brick  3010  Brick 1 x 4 Catalog: Parts: Brick  3009  Brick 1 x 6 Catalog: Parts: Brick  6112  Brick 1 x 12 Catalog: Parts: Brick  3003  Brick 2 x 2 Catalog: Parts: Brick  3001  Brick 2 x 4 Catalog: Parts: Brick  2456  Brick 2 x 6 Catalog: Parts: Brick