Its fenced compound will be open from 10am to 5pm today and tomorrow, and 7pm to 10pm tonight.
It will cost $2 to get in. Inside will be all the usual fair attractions - ferris wheel, merry-go-round, haunted house, candy floss and hotdogs.
Alongside it during the days will be other and free attractions of this year's Wanganui A&P; Show - sheep racing, which Mr Mahon said was entertaining, wood chopping, a chainsaw section, a children's petting zoo, lambs, calves and more.
The horse events, with 1200 entrants and free admission, will be on at the same time at Wanganui Racecourse.