Image Item No. Description  4066  Duplo, Brick 1 x 2 x 2 Catalog: Parts: DUPLO, Brick  42234  Duplo, Brick 1 x 2 x 2 with Side Cutouts and Channel in Top Catalog: Parts: DUPLO, Brick  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick  6474  Duplo, Brick 2 x 2 x 1 1/2 Slope 45 Catalog: Parts: DUPLO, Brick  11170  Duplo, Brick 2 x 2 x 1 1/2 Slope Curved Catalog: Parts: DUPLO, Brick  31110  Duplo, Brick 2 x 2 x 2 Catalog: Parts: DUPLO, Brick  2302  Duplo, Brick 2 x 3 Slope Curved Catalog: Parts: DUPLO, Brick  98252  Duplo, Brick 2 x 3 Slope Curved Inverted Catalog: Parts: DUPLO, Brick  2301  Duplo, Brick 2 x 3 x 2 Arch Inverted Catalog: Parts: DUPLO, Brick  3011  Duplo, Brick 2 x 4 Catalog: Parts: DUPLO, Brick  98223  Duplo, Brick 2 x 4 Slope Curved Double Catalog: Parts: DUPLO, Brick  98224  Duplo, Brick 2 x 4 Slope Curved Inverted Double Catalog: Parts: DUPLO, Brick  4198  Duplo, Brick 2 x 4 x 2 Rounded Ends Catalog: Parts: DUPLO, Brick  6394  Duplo, Brick 2 x 4 x 2 with 2 x 2 Cutout on Bottom Catalog: Parts: DUPLO, Brick  4199  Duplo, Brick 2 x 8 Catalog: Parts: DUPLO, Brick  63871  Duplo, Brick 3 x 2 x 2 Slope Catalog: Parts: DUPLO, Brick  51732  Duplo, Brick 3 x 4 x 2 with Arched Parapet Catalog: Parts: DUPLO, Brick