"We had hoped to launch the Junior Showcase last year, but Covid got the better of us," Berridge said.
"At that stage we had 36 teams ready to go, but now we have 70 teams and more than 720 players and will feature some of our best youth players. It will be the biggest youth basketball tournament Whanganui has ever seen."
A big drawcard is that unlike the regular HoopNation tournament, the Whanganui version is to be contested under Amateur Athletic Union (AAU) rules from the United States.
A number of New Zealand teams were scheduled to travel to compete in Las Vegas in July and so jumped at the chance to play under those conditions domestically before they would leave.
"It was really awesome times, and exciting times to see what this means to the basketball community," said Berridge.
"We're really excited to come home, and we were embraced by a lot of people that have supported us in the past."
Teams from the Waikato, Tauranga, Taranaki, Manawatū, Hawke's Bay, Wellington, Auckland and Brisbane had all previously signed up to take part. Teams from as far afield as Dunedin up to Northland had since joined the party. Previous HoopNation events in Whanganui boosted the town's economy by an estimated $1.6 million.
As well as the three basketball courts inside Springvale Stadium, Berridge said one court each at Cullinane College and Whanganui Collegiate School would be used over the four days of play at Easter.