You may need a visa for Bangladesh if you have a New Zealand passport
Visa options for Bangladesh (2)
Visa on arrival for a maximum of 30 days for Business and Tourism
Travelers need a visa to visit Bangladesh for Business and Tourism. Travelers can get a visa on arrival in Bangladesh at the port of entry, such as an international airport or border crossing.
This is not offered by sherpa°.
Apply on the government site.
You don't need a visa. You can travel to your destination for a limited stay. Be sure to check other entry requirements and how long you can stay for.