Alpaca is listed as a museum at 43 John Brian Drive in Redvale, in the Rodney area north of Auckland. It has a 4.8 rating on Google.
A good small museum tells a focused story well, using real objects, clear labels and people who know the subject. Smaller and specialist places often reward a visit more than large institutions, because you can see everything in an hour and ask questions of whoever is on hand. Before you set out, check opening days and whether you need to book, as small venues often keep limited hours and may open by arrangement. Regulars know that asking a question often brings out details that are not on the labels, and that quieter weekday visits give the most time to talk. Bring cash or a card in case there is a small shop or donation box, and check whether children are welcome and whether access is easy.
For anyone exploring Redvale and the country north of Albany, Alpaca on John Brian Drive is worth checking before you go.