Jason Winslow/Splash News Online
02/08/2010 at 03:00 PM EST
's family may be going through a difficult time, but Elin Nordegren
doesn't appear to be letting the trouble put a damper on son Charlie's first birthday: She was spotted on Monday toting a wrapped gift outside her children's school in Windermere, Fla.
"No matter what else is going on in Elin's life, nothing gets in the way of her children and their activities," a source tells PEOPLE. "She is a wonderful and loving mom."
Meanwhile, there has been no sign of Woods, who reportedly left
Pine Grove Behavioral Health and Addiction Services clinic in Hattiesburg, Miss., last week.
– Brian Orloff and Linda Marx