Image Item No. Description  6361  Duplo Airport Tower Glass Enclosure Catalog: Parts: DUPLO, Building  98239  Duplo Door / Window Pane 1 x 3 1/2 x 6 2/3 with Curved Top and Open Handle - Castle Catalog: Parts: DUPLO, Building  2230c01 (Inv)  Duplo Door / Window Pane Mailbox 1 x 4 x 3 Raised with Flap Catalog: Parts: DUPLO, Building  4860c05  Duplo Roof Sloped 30 4 x 4 with Shingles Profile and Medium Blue Base Catalog: Parts: DUPLO, Building  4860c03  Duplo Roof Sloped 30 4 x 4 with Shingles Profile and Red Base Catalog: Parts: DUPLO, Building  52027  Duplo Roof Turret Top - Castle Catalog: Parts: DUPLO, Building