How can you watch the birds closely in their natural environment, inside their bird nest? The bird nesting box allows you to look and view birds while they hibernate simply through your window. Easy to set up Just attach the bird houses using the all-weather suction cups to watch birds’ nests, lay eggs, hatch baby bird, and feed! The included one-way mirror sticker attaches to the Plexiglas window cover of the birdhouse and allows you to see the birds without them even knowing you there. Educational The wild bird house installs in few seconds with no tools and is educational and fun for all family. This bird house kit is perfect for kids. Allows for them to get a close glimpse at birds and how they live in their bird nest box. The clear, acrylic window with one-way mirror film lets you see birds inside the robin bird box, but they can't see you. Long service life, excellent design The garden bird box has a design that emulates wood perfectly, but is made of plastic, so it will never rot and will be weatherproof forever. The suction cups that are supplied with the small bird house, make grip on the glass that must be cleaned and degreased beforehand. In spite of this, especially in periods with great temperature fluctuations, the suction cups could be detached due to natural factors, periodically exerted a little pressure on the plastic nesting box towards the window to ensure the tightness. You can also make sure that you place the robin nesting box on the sill. In this way, all the weight will not be put on the suction cups, which will act against movements caused by gusts of wind ensuring stability of the garden bird house. Window bird house dimensions Height: 22cm Width: 10cm Length: 14cm Enjoy the excitement of watching the life of birds in nature, buy the ASAB nest house!SPY WITHOUT BEING SEEN - The house is equipped with a transparent window, on which is attached an adhesive mirror foil, which allows you to see inside without being seen. LONG SERVICE LIFE, EXCELLENT DESIGN - The plastic structure of the house guarantees long lasting durability, and its design perfectly matches wood. EASY TO SET UP - Install the suction cups, apply the mirror sticker, and the house is ready to be attached to the window. EQUIPPED WITH SUCTION CUPS - Secure the house to the window glass through the suction cups, from inside your house, you can "spy" the house of birds. EDUCATIONAL - The house allows you to see the life cycle of the birds, as adults take care of the young birds.