Day Care Room Escape

Children's room, it would seem, does not portend any danger, and be in it very nice - everything around rich and warm, lots of toys and other interesting items. But there is a weighty problem - you are locked into it and now can not get out of it. More precisely, we get out of it of course you can, because there is a door. But that would open it, you need to find a special key for this.