Here are some change games with NZ coins & notes:
http://www.mathsadventures.co.nz/nwcn31j/change1.htm
http://www.mathsadventures.co.nz/nwcn31j/change2.htm
http://www.mathsadventures.co.nz/nwcn31j/change3.htm
http://www.mathsadventures.co.nz/nwcn31j/change4.htm
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