Jon Gosselin is back in Pennsylvania with his kids.

The reality dad, 32, spent the weekend building snowmen with his eight kids at their $1.2 million Wernersville estate. The family -- sans Kate -- also went sledding.

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Earlier last week, Jon was spotted taking sextuplet Hannah, 5, to the pharmacy, and riding around house's 24 acres in his ATV.

Before Feb. 21, Jon hadn't been photographed with his kids for over a month -- since Jan. 16. He'd spent time at the Sundance Film Festival in Utah with 25-year-old girlfriend Morgan Christie, in Washington, D.C. and Hawaii. confirmed Monday that Kate, 34, will compete on the 10th season of Dancing With the Stars. The celebs will be announced during Monday night's Bachelor finale.

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According to a Los Angeles radio station, Kate -- who also spent time last month clubbing in New York City -- has been practicing her moves "under a shroud of security" at the Beverly Wilshire Hotel in Beverly Hills, Calif.