I’ll get you to the area, but don’t expect a big-flashing cartoon arrow to point at it.
According to Wikipedia, this fun child’s (and office) toy was invented in 1946 by Albert C. Carter and Abe Bookman. It had variations for a few years, but in 1950 the product was revamped into the now-traditional black-and-white 8 ball, which is still produced today.
ToTT may be needed to retrieve the log. Bring your own pen/pencil.
Please stay clear of muggles, replace everything as you found it, and enjoy!