Online tickets are $26 (or $34 with Marvel), otherwise it's $28 (or $36 with Marvel) onsite. You can see all of our pricing information on the website: https://www.mopop.org/visit. Hope that helps!
20 to 30$
If you're interested in seeing all the attractions un the Seattle Center I'd reccomend the City Pass!
General admission is like 24 to 28 USD, if a special exposition is in place, it's optional but it can be another 8 USD or so.
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