Image Item No. Description  2206  Duplo Door / Window Pane 1 x 4 x 3 with 4 Different Size Panes Square Corners Catalog: Parts: DUPLO, Building  31171  Duplo Door / Window Pane 1 x 4 x 4 with 9 Panes Catalog: Parts: DUPLO, Building  2205  Duplo Door / Window Pane 1 x 4 x 4 with Four Panes Different Sizes Catalog: Parts: DUPLO, Building  51702  Duplo Door / Window Pane 1 x 6 x 7 Sliding Grille Catalog: Parts: DUPLO, Building