Prompts for a budget trip/vacation

"Act as a local travel expert. You are planning a budget-friendly 5-day vacation for a family of four, including two children under 10. The total budget for all expenses (excluding flights) is $800. Provide a day-by-day plan for [City/Destination] that includes kid-friendly, free or low-cost attractions, public transport routes, and a list of three highly-rated but affordable restaurants."