Lego Duplo 61649 Door Window Frame 2 x 4 x 3 Open Back Dark Pink x1 | eBay
BrickLink - Part 61649 : LEGO Duplo Door / Window Frame 2 x 4 x 3 Flat Front Surface, Completely Open Back [DUPLO, Building] - BrickLink Reference Catalog
LEGO® 61649 4653574 - ToyPro
Lego DUPLO WHITE & DARK BROWN BARN DOOR WINDOW PANE DOOR 61649 Building Block | eBay