Jack Trickett and Charlie Bent, both 8 years old, said they were excited to have the competition come to their hometown.
"I wan't to go to lots of games, and I hope New Zealand wins," said Charlie, who had numerous autographs scrawled on the back of his Grafton United Cricket Club jersey.
When Bollywood Bhangra's Nachda Punjab Crew performed live, getting the crowd jumping, India's Sunil Gavaskar joined in, dancing with the band.
In the middle of the chaos stood a shining World Cup, perched on a block surrounded by people posing for photograph beside the coveted trophy.
The event, to be jointly hosted by New Zealand and Australia next year, was important for the country, said Sir Richard.
"The fact that we're sharing the games with Australia, pretty well 50/50, is an outstanding result for New Zealand," he said.
"Every team in the competition will be playing at least one game in New Zealand so fans from all around the world who are supporting their team will hopefully come to New Zealand."
He said the tournament will be good for the country, the economy and cricket as a whole, particularly local cricket.
But there was an "extra incentive" for the Kiwi lads to win the cup, he said, "particularly on our home patch".
"There will be pressure there, but there's home advantage with conditions, pitches, the environment - we've got to maximise all that."
Organisers and cricketers alike claim the tournament will be the most watched sporting event of 2015.
Crowe said it was a "thrill" to have it in his home country for the first time since 1992, and said he was sure everyone would get behind the team.
"It's fantastic to have it back on home shores, and I'm sure the two countries will combine beautifully to make something special," he said, adding that old rivalries will be put to one side.
But only until New Zealand play Australia, he said.
"That would be great, particularly if it's the grand final. That's the one we're hoping for."
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