Image Item No. Description  x986  Duplo Door / Window Frame 2 x 4 x 3 Flat Front Surface without Clips Catalog: Parts: DUPLO, Building  x988  Duplo Door / Window Pane with Four Windows Narrow Catalog: Parts: DUPLO, Building  x979  Duplo Door 1 x 4 x 1 Catalog: Parts: DUPLO, Building  x979pb03  Duplo Door 1 x 4 x 1 with Yellow EXPRESS Pattern Catalog: Parts: DUPLO, Building