Lamps, Living Room, and Light Hardwood Floor An electric train set from Chicagoland Hobby travels an elevated track designed by Studio Gild. The 35-foot loop passes through the indoor tree house and around the theater room. A Serge Mouille Two-Arm sconce is surrounded by graphic Mylar wallpaper.  Photo 5 of 9 in Child’s Play: Designing a Polished, All-Ages Playscape