Create a play space in a standard doorway. Opening top Dutch door provides over-the-counter interaction. Working bottom Dutch door creates a craw-through tunnel. Wide-view peephole really works. Fun peek-a-boo shutters. Electronic doorbell with realistic chime sound. Pass-through mail box and secret mouse hole. Interior shelves provide space for imaginative play. Fits doorway openings 28” wide and larger. Can also be used as a freestanding activity panel. Wide fence supports help provide stability. Easy portability and storage. Minimal assembly required, just attach fences. requires 2 “AAA” batteries, not included.