Image Item No. Description By  35110pb01  Duplo Brick 2 x 2 x 2 Ribbed - Center Flush with Edge with Molded Flexible Rubber Dark Orange Fins Pattern Catalog: Parts: DUPLO 2  31291  Duplo Bridge Wooden Catalog: Parts: DUPLO 1  51725  Duplo Flag Wavy 2 x 5 Catalog: Parts: DUPLO 1  44611  Duplo Tile, Modified 4 x 4 Studs on Edge and Groove Lines (Little Robots) Catalog: Parts: DUPLO 31