Image Item No. Description By  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick 57  11170  Duplo, Brick 2 x 2 x 1 1/2 Slope Curved Catalog: Parts: DUPLO, Brick 1  31061  Duplo, Brick 2 x 2 x 2 with Indented Sides (Tree Trunk) Catalog: Parts: DUPLO, Brick 14  2302  Duplo, Brick 2 x 3 Slope Curved Catalog: Parts: DUPLO, Brick 18  3011  Duplo, Brick 2 x 4 Catalog: Parts: DUPLO, Brick 36