1. Fruits: Fruits are a healthy choice for picnics. You can choose some small grapes, strawberries, blueberries, cherries, bananas and other fruits that are easy to carry and eat.

2. Nuts: Nuts are a good source of protein and fiber. You can prepare some nuts like almonds, pistachios, peanuts, walnuts, etc. and take them out in a ziplock bag.

3. Dried bread: Dried bread is a favorite snack for the whole family and is easy to carry and store. You can choose something that tastes good and is healthy, such as whole-wheat dried bread or sugar-free dried bread.

4. Popcorn: Popcorn is a classic movie snack, but it's also great for picnics. You can prepare some popcorn at home ahead of time and take it out in a container with a lid.

5. Vegetable Salad: For a healthier meal, you can prepare some vegetable salad such as carrots, celery, peppers, cucumbers, raisins and nuts and toss them together. You can prepare them in advance at home and take them out in an airtight box.

I hope these tips are helpful and have a great weekend picnic!