The Nest View Window-mount Bird House with Mirrored Window Film is a wonderful educational tool for kids! Watch birds nesting activity from the comfort of the inside of your home, with a clear back panel that provides a great view inside. Window film can be used for an extra layer of protection from busybodies in the house, who want to observe without any disturbance of the nest. Panel detaches for nest cleaning. Made with natural cedar and heavy clear acrylic for window panel viewing.