chess or other board games are inexpensive and you can learn a lot and make friends along the way.

Fotography can be expensive, but if you do it just as a hobby, you could take your phone or get a cheap camera and try to get up early on weekends and take some photos of the city.

reading books, especially about animals (specifically birds) could be an option too.

Why would it need to be activated? they usually run on a closed network, with no internet connection anyways

personalized pin maybe?