▁museum ▁building ▁began ▁construction ▁on ▁the ▁site ▁of ▁the ▁old ▁villa . ▁The ▁new ▁stone ▁house ▁was ▁completed ▁in ▁ 1 9 3 1 . ▁The ▁building ▁was ▁designed ▁by ▁Finn ish ▁architect ▁O iva ▁Kal lio . ▁O ulu ▁City ▁Library ▁was ▁also ▁located ▁in ▁the ▁building ▁until ▁ 1 9 8 2 . ▁ ▁The ▁basic ▁exhibition ▁extends ▁in ▁all ▁the ▁other ▁flo ors ▁of ▁the ▁building ▁except ▁the ▁bottom ▁floor , ▁which ▁is ▁dedicated ▁to ▁the ▁changing ▁exhib itions ▁and ▁an ▁exhibition ▁for ▁the ▁children . ▁The ▁exhibition ▁for ▁the ▁children ▁is ▁based ▁on ▁the ▁Dog hill ▁books ▁by ▁Finn ish ▁children ' s ▁author ▁Ma uri ▁K unn as . ▁The ▁ground ▁floor ▁hosts ▁a ▁large ▁scale ▁model ▁of ▁O ulu ▁city ▁centre ▁in ▁the ▁year ▁ 1 9 3 8 ▁before ▁the ▁bomb ings ▁of ▁World ▁War ▁II . ▁ ▁In ▁addition ▁to ▁the ▁main ▁museum ▁the ▁Northern ▁Ost rob oth nia ▁museum ▁maintain s ▁S ail or ' s ▁Home ▁Museum ▁in ▁P ik isa ari , ▁P aten iem i ▁S aw mill ▁Museum ▁and ▁Turk ans a ari ▁Open - air ▁Museum . ▁ ▁References ▁ ▁External ▁links ▁▁▁▁ ▁Category : M useum s ▁in ▁O ulu ▁Category : History ▁museum s ▁in ▁Finland ▁Category : M useum s ▁established ▁in ▁ 1 8 9 6 ▁Category : M yl ly t ul li ▁Category : 1 8 9 6 ▁establish ments ▁in ▁Finland <0x0A> </s> ▁W ins lo e ▁is ▁a ▁surname , ▁and