Not really a place to visit as a tourist. More likely to drive through it, blink and miss it. Most likely to see it on your drive into/out of Wellington.
ADD TO LISTLevin is not really a tourist destination, and compared to other cities, it's one of New Zealand's less visited places. Other destinations in the area such as Palmerston North, Wellington, and Taupo may be more interesting to visit. If you do travel to Levin, please share what you know by adding to the Levin travel guide.