Slush puppy machine for parts/fix (CM7)

Purchased from the charity shop last summer. Electrically works fine but seems to skip when in the final stages of cooling down the beverage. I assume it would be best to used for parts, or by somebody who knows how to fix it.

Comes with all the parts apart from the little container at the top for measuring things

Fair Chance Policy: I’ll wait before choosing a recipient to give more people a chance to reply.