The German-born supermodel - who raises daughters Leni, seven, and Lou, 20 months, and sons Henry, give, and Johan, four, with husband Seal - with husband Seal - is planning a trip to Italy with her brood and is most excited about an unusual adventure on the seas.
She explained: "What`s next? To go on a great holiday with my family. We`re going on a boat to Italy. I love when the kids can go and eat sea urchin and the sea urchin is literally going like this [waves hands].
"You cut the bottom off and then you eat it.
"That`s what they do when you go to [restaurant] Nobu or whatever - it`s the same sea urchin, so you might as well eat it when it first comes out of the sea."
The 38-year-old beauty`s break comes before she starts working on the ninth series of TV show `Project Runway`, and despite her long stint on the programme, Heidi revealed her husband has never watched an episode.
She told WWD: "You know, my husband has never seen one episode. What about that for a fun fact?
"He`s come to the set, but he hasn`t watched an episode."