Simple and versatile: a die-cut and scored chipboard card to make a card with 2 windows.
This card is also included in the Collector's Room Kit; see all the other kit components available to buy separately.
Also shown with an image from the Window Card Cabinets Collage Sheet.
Design Team Member Caroline Ouzts-Hay made Secrets of a Library (see the wide photo below). More info in the blog and/or see the supply list.