The Invention Lab is disguised as a text book.
It opens to reveal a private self-contained inventing workspace!
(apologies for the large file size. Wanted to allow everyone to read the fine print...)
If you look closely on the wallpaper of the blueprint-themed pattern, you'll see the names of 24 inventors the world needs to know more about!
Can you guess what they invented?
Once again, thanks everyone for your help!