i was looking on guiness world record and come across little little thing
the beanzawave
around 100 GBP
http://www.dailymail.co.uk/sciencetech/article-1191606/Beanz-meanz-microwaves-Heinz-create-gadget-heat-snack-60-seconds.html
white thing
i think the white thing is just something the belt goes onto,
if you can get a motor get it, or find someone to rebuild it, build one for you.
the compresser ( think its called that show you pic in a bit ) may need replacing as that went on my hotpoint