(Boneh-בונה Ep. 11) (#731) Interesting cases that come up with items that are not made to stay in their place all the time.

Is one allowed to dress a child in their pajamas on Shabbos even though they are not going to sleep until after Shabbos;

Wearing various types of clothing that has letters, numbers, pictures where it opens and closes.

Giving Out Tickets to Children for Learning Well. If One Finds a Mistake in a Sefer on Shabbos. Index Cards for an עליה;