We pack a lunch and take our binoculars for bird watching.
Christianity Today
Pack a lunch for work and include fresh veggies and fruit.
Globe and Mail
Pack a lunch, have a picnic and plan to spend the day.
Houston Chronicle
If you're thinking of venturing that way by remote control some day, pack a lunch would be my advice.
Times, Sunday Times
Food outlets are available on site but the show location provides shaded areas with picnic tables, offering a pleasant rest stop to visitors who wish to pack a lunch.
Globe and Mail