"Before we start, however, keep in mind that although fun and learning are the primary goals of the enrichment center activities, serious injuries may occur. For your own safety, and the safety of others, please refrain from t—" Then the voice is cut by sudden static and random noises, a sentence in Spanish that rises in pitch until it's incomprehensible, then the audio is cut altogether for a second. "—stand back. The portal will open in three" (the voice says exactly as the countdown reaches three) "two, one."
And then the non-glass wall has an oval hole surrounded by orange light. If she walks over to and looks through the hole, Sable will be able to see...
...herself, and the chamber she's in. From the right. And if she looks right, the wall below the other now-zeroed timer has a similar hole, framed in blue light, that shows herself, from the front.