A Marshmello-costumed person rides the chairlift Sunday at Lost Valley during the annual Fall Festival. Marshmello is an electronic music producer and DJ known for wearing a distinctive white helmet. The annual Fall Festival featured chairlift rides, a ski swap and karate demonstrations. Andree Kehn/Sun Journal

Chrissy Lenahan suggests a pair of skis to her daughter Gabby, 10, during the Lost Valley ski swap Sunday in Auburn. Her youngest daughter, Riley, 8, looks on with interest. The family of four kids and two adults from Mechanic Falls came to the sale to get good deals on boots and skis. Andree Kehn/Sun Journal

Krissy and Bill McLaughlin of Livermore Falls chat with their kids, Evan, 7, and Emily, 10, on Sunday about ski season during Lost Valley’s Fall Festival in Auburn. “The kids have never tried skiing,” said Krissy McLaughlin. Andree Kehn/Sun Journal