How much is a Shari Lewis and friends lunch box with matching thermos worth?

The value of a Shari Lewis and friends lunch box with a matching thermos can vary significantly based on its condition, rarity, and demand among collectors. Generally, such vintage items can range from $20 to $100 or more, particularly if they are in Excellent condition or come with original packaging. To get a more precise estimate, it's advisable to check recent sales on auction sites or collector forums.