The Princess of Wales recently shared a charming detail about her youngest son, Prince Louis—and it’s a little quirky.

During an outing with US First Lady Melania Trump on Thursday (September 18), Kate, 43, opened up about Louis’ latest passion, and it’s not what you might expect.

Prince Louis’ Love for Conkers

While most children might be drawn to sports, art, or toy collections, Louis has developed a fondness for something a bit different—conkers. Much like his father, Prince William, and grandfather, King Charles, Louis enjoys spending time outdoors, and conker collecting has become his latest obsession.

According to Kate, her 7-year-old son’s fascination runs so deep that she often finds the shiny brown seeds scattered around the house. “We keep finding conkers in cupboards, in his bed – conkers everywhere!” she laughed while speaking to Chief Scout Dwayne Fields in the gardens of Frogmore House.

She added that Louis even loads the conkers into his toy vehicles and plays with them, turning his collection into part of his games.

Kate’s Outing with Melania Trump

The sweet revelation came while Kate was hosting a group of Squirrel Scouts alongside Mrs. Trump. The two women joined the children in outdoor activities to help them earn their Go Wild badges, crouching down to chat, working on crafts, and even joining a parachute game.