Hi, sorry it's been so long that you have probably either forgot or already replayed it ^^' But if you are still waiting for it, then here is the prefs file that should allow you to play the sandbox mode.
https://mega.nz/file/fSwRASpa#jwYgNLrQFJKTXkOWtkoIYjyFNiSpdSjdtJoHJm1cYuo