Duplo Door 1 x 4 x 4 with Four Panes, Same Size and Curved Top

Reference

67872

Duplo Door 1 x 4 x 4 with Four Panes, Same Size and Curved Top (part 67872) is a LEGO element. It appears in 7 sets, including 3in1 Tree House and Anna and Elsa's Frozen Castle Party.