Puri Experience: Puri is a very nice place to visit for 2-3 day holiday.It has great beaches along with the famous JAGANNATH JI temple where one can view the heritage of India.
Food, sight-seeing and shopping: Beaches,temples.
Activities & things to do: Enjoy the day in beach,in evening you can visit temple.From there you can visit a lot many places like Bhubaneshswar and many other famous temples.
Travel tips, How to reach, travel warnings etc: Puri itself is connected by rail,by air from Bhubaneshwar.