February might be the coldest time in Osaka, but at least no sweat for ques. We went there during the weekday and it was excellent with not many crowd. We stayed at the Universal Port Hotel, which is only a mere 5 minutes walking distance to UCO. Weekends will be flooded with people from locals to tourists... what a difference.
Most of the rides only took between 5-10 minutes of waiting, except for Back to the Future it was only about 15 minutes.
The staffs there were amazingly friendly and we spent from 10am to 6pm. I wanted to stay on for the parade, but it was rather too cold for my boys... sigh.
Food were not too bad except a little bit too pricy, but isn't all the theme park? So, bring some cash and credit card.
The toilets are well kept and clean... designated smoking area, shops with funny hats and souvenirs... really fun
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