Illegal returns policy - contradiction to consumer act

I purchased 3 sets x Rundkolben round shank needles (287/WH/1738) from Matila from Decor Park on the 29/12/2022. I showed her a pic of the machine & asked for the needles. She gave me the above. I called my aunt to verify & she said that the consultant will know better. It was the wrong needles. I went to the store on 05/01/2023 explained to Matilda - she said no refunds/exchanges. This is crazy. I want to return these unopened needles. I have the till slip. Please contact me.