"Elin's daily decisions rest on what is good for her and the children," a source tells PEOPLE.
After returning from a European skiing trip over the holidays, she has been taking turns with a nanny shuttling Sam, 2, to a private school in Windermere Nordegren. Then on Friday, Nordegren – bundled up against the unusually cold temperatures in Florida – stopped by the Tiger Woods promotional office in Windermere Village for about 15 minutes, bringing along Sam and Charlie, 11 months.
"Elin was nice and friendly and said hello to people," a source in a neighboring office tells PEOPLE. "She looked fine."
Adds another source, who observed boxes and toys through the open office door: "Elin was there for a good hour and a half."
Woods, meanwhile, has yet to be seen in public since the sex scandal broke and has suspended his professional golf career.
With additional reporting by LIZ McNEIL and KRISTEN MASCIA