Image Item No. Description  6431  Duplo Building 4 x 8 x 6 with Front Door and Window Catalog: Parts: DUPLO, Building  2206  Duplo Door / Window Pane 1 x 4 x 3 with 4 Different Size Panes Square Corners Catalog: Parts: DUPLO, Building  2205  Duplo Door / Window Pane 1 x 4 x 4 with Four Panes Different Sizes Catalog: Parts: DUPLO, Building