The synthesizer fell and broke a white key

on top of gearbox drivers side ,drive shaft output from diff look above it .

We have no idea. I'm in Florida.
I see there are towns named Medway in Kent, England,
in Ohio,
in Massachusetts,
and in Maine.
In some towns are "scrappers" who drive around and look for scrap.
These are usually folks with a very low income.
In some town, you must pay someone to take it away.

the brand was originally made in england but fell into difficulties in 1980
from 1991 to 2008 the brand was owned by italian white goods company antonio merloni they went broke and the brand since 2011 is in the hands of a turkish company vestel who relaunched the brand in 2012 ( refer to wikipidia)
call customercare @ servis .co.uk or direct call 0333-577-7232 go google and type in - location of vestel manufacturing-- and see if you can get some information from their pages as facilities are in turkey, UK,china, taiwan

This may be a simple case of a web search using Amazon com Online Shopping for Electronics Apparel Computers Books DVDs... , eBayeBay or sites like Appliance Spares Accessories, but a quick visit to Thermos themselves and follow links to spares. good luck.

the code you are looking for is: ME14 5AN

contact maytag service center or online. Make sure that you have model and serial numbers handy. They will be able to ship you a new wheel or be able to tell you where in kent you should be able to get one. It is possible that if you go online to www.firstsourceparts.com you may be able to purchase online with credit card.

it might be a software problem reinstall it update online

Check on Ebay, there are several vendors that sell individual keys and retainers. You may also check the price for a new keyboard, sometimes you can get the whole thing at a decent price and you will have your old one for parts. Ebay is where I get all my keyboards and keyboard parts for my customers.