All attendees must have a ticket; however, for Vikings football games children under 36" in height will receive a complimentary ticket. So essentially under 1 would be free, but you would need to purchase your tickets through the stadium in order to obtain the complimentary ticket- you can not obtain it via a third party ticketing agency i.e. Ticketmaster, Stub Hub...
To shorten what he was saying👆.... If they sit in your lap then no
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