Read.
Do you have books in your house? Can a family member pick up some reading material (newspaper, magazine, book)?
[really!]
You can also “buy” books that are in the public domain for free from Amazon.
Do puzzles.
Word find, sudoku, kakuro, logic puzzles, mazes, etc.
Youtube.
All types of videos are available, including several interesting ones from National Geographic and the History Chanel.
Refua shelaima.