Enjoy the famous Pad Thai at Thip Samai, regarded as one of the best in Bangkok. Opens 5:00pm-2:00am but better to plan for next day if you want this exact spot, or try Pad Thai Thip Samai outlet at daytime.
Explore one of the world's largest markets, great for local souvenirs and food. Opens 9:00am-6:00pm Saturday-Sunday but if it's a weekday visit Pratunam Market instead which opens daily.