Scarfs and clothing in general are thought of as warmth-bringing but they only reflect our own heat back at us - they’re insulating. In Frosty’s case the scarf would insulate him from rising external temperatures and keep him cold longer.
Budget is always a factor, but here’s mine so far…
Looking at a discovery flight for someone who’s expressed some interest in flying, a limited art print from someone’s favorite artist, potentially an inflatable stand up paddle board, and a 360 degree camera for others. Still a lot of searching to do but hopefully these can spark some ideas for others too