He said he was given a grant from the Whakatane District Council which covered a third of his travel costs, but he had to raise the rest himself.
He said he wasn't sure if he would continue with it next year because it was a "big commitment to raise $5000 [the cost to go] every year", but that he would like to keep competing.
"I like trying to better myself and just trying to constantly improve," he said.
Caleb said while in Germany the team would also get to do a little bit of sightseeing and he was looking forward to seeing a few castles.
The Black Stacks are made up of 10 of New Zealand's best male and female sport stackers.
More than 250 of the world's fastest sport stackers from 22 countries will take part in the event in Speichersdorf, Germany from April 1 to 3.
They will compete in up to eight individual, doubles and relay events, including the Speed Stacks International Challenge and head-to-head relay competition to determine the fastest country in the world.
Sport stacking with Speed Stacks is in more than 44,000 schools and youth organisations worldwide.
It's appealing to teachers and students because it's easy to learn but challenging to master. Benefits include improved reaction time, hand-eye co-ordination, concentration and focus.
