Science city is largest science centre in subcontinent under goverment of india.last year I visited kolkata with my friends.we stayed there three days and I visited science city.this place is very helpful for student.we reached there at 1 pm then we got ticket for both.it is very attractive place.there are many enjoyment thing like 3d show, toy train, space theater.there were lot of people including school student.i enjoyed there a lot with 3d theatre.it was great.if you are science lover there are lot thing to explore.science city is best for student.we returned at 4 pm from science city.it was great experience for me to visit science city.i recommend science city to my friends.