ch ool ▁Center ▁and ▁the ▁Ald en ▁B . ▁Dow ▁designed ▁Nature ▁Study ▁building ▁house ▁Nature ▁Pres ch ool , ▁one ▁of ▁only ▁ 4 0 ▁in ▁the ▁United ▁States , ▁and ▁offers ▁age - app ropri ate ▁learning ▁for ▁ 3 ▁& ▁ 4 ▁year ▁old s . ▁▁▁ ▁A ▁Nature ▁Day ▁Camp ▁has ▁been ▁offered ▁every ▁summer ▁since ▁ 1 9 6 6 ▁and ▁is ▁available ▁for ▁children ▁aged ▁ 3 – 1 6 . K ids ▁also ▁go ▁to ▁school ▁cam ps ▁that ▁they ▁can ▁learn ▁a ▁lot ▁ab ot . ▁ ▁A ▁w ig w am ▁was ▁constructed ▁in ▁ 1 9 9 8 , ▁and ▁it ▁is ▁the ▁center ▁for ▁demonstr ations ▁of ▁Native ▁American ▁skills ▁such ▁as ▁animal ▁hide ▁t anning , ▁cord ▁making , ▁and ▁fl int ▁kn apping . ▁▁ ▁Bird ▁band ing ▁at ▁C NC ▁began ▁in ▁ 2 0 0 4 ▁and ▁is ▁a ▁summer ▁activity ▁in ▁favor able ▁weather ▁at ▁the ▁wet lands . ▁The ▁C NC ▁partners ▁with ▁the ▁Michigan ▁Bird ▁Band ing ▁Association . ▁ ▁The ▁C NC ▁has ▁a ▁sugar ▁bush ▁which ▁produces ▁the ▁sap ▁required ▁for ▁map le ▁sy rup . ▁An ▁old ▁farm house ▁built ▁in ▁ 1 8 6 8 ▁was ▁dis ass emble d , ▁moved ▁to ▁C NC ▁property , ▁re ass emble d , ▁and ▁converted ▁into ▁a ▁sugar ▁sh ack ▁to ▁process ▁the ▁sap ▁using ▁a ▁wood - f ired ▁ev apor ator . ▁A ▁cup ola ▁was ▁constructed ▁to ▁allow ▁steam