Image Item No. Description By  35579  Duplo Airport Tower with 3 Windows Catalog: Parts: DUPLO, Building 46  61649  Duplo Door / Window Frame 2 x 4 x 3 Flat Front Surface, Completely Open Back Catalog: Parts: DUPLO, Building 81  92094  Duplo Door / Window Frame 2 x 4 x 5 Catalog: Parts: DUPLO, Building 114  11345  Duplo Door / Window Frame 4 x 4 x 3 Thick Top Catalog: Parts: DUPLO, Building 15  18857  Duplo Door / Window Frame 4 x 4 x 3 Thin Top Catalog: Parts: DUPLO, Building 30  16598  Duplo Door / Window Pane 1 x 4 x 3 Curved Front with Rounded Pane Catalog: Parts: DUPLO, Building 43  69897  Duplo Door / Window Pane 1 x 4 x 3 with 4 Panes Cross Bars Catalog: Parts: DUPLO, Building 7  90265  Duplo Door / Window Pane 1 x 4 x 3 with 4 Same Size Panes Square Corners Catalog: Parts: DUPLO, Building 86  26249  Duplo Door / Window Pane 1 x 4 x 3 with Four Panes Rounded Catalog: Parts: DUPLO, Building 10  18816  Duplo Door / Window Pane 1 x 4 x 3 with Two Rounded Panes and Handle Catalog: Parts: DUPLO, Building 68  87653  Duplo Door / Window Pane 1 x 4 x 3 Wooden Gate with Handle Catalog: Parts: DUPLO, Building 50  31023  Duplo Door / Window Pane 1 x 4 x 4 with 4 Different Size Panes and Curved Top Catalog: Parts: DUPLO, Building 23  31171  Duplo Door / Window Pane 1 x 4 x 4 with 9 Panes Catalog: Parts: DUPLO, Building 13  27396  Duplo Roof Sloped 4 x 4 x 3 with Window Opening Catalog: Parts: DUPLO, Building 31  31170  Duplo Roof Sloped 33 4 x 4 with Awning Overhang Catalog: Parts: DUPLO, Building 23  31170pb01  Duplo Roof Sloped 33 4 x 4 with Awning Overhang and 3 White Stripes Short Pattern Catalog: Parts: DUPLO, Building 35  98237  Duplo Roof Spire 3 x 3 x 3 (Tapered Cone) Catalog: Parts: DUPLO, Building 71