Gel will work in new Mamod trays but make sure it's thick Sterno gel. Hand sanitizer will be too runny.
The Mamod workshop (integrated on red base) is pretty cool and runs better than the Wilesco workshop. Wilesco has more accessories. The Wilesco hack saw can actually cut balsa wood well if you put in a sharper blade and add a little more weight.
I didn't realise you can actually 'use' the machines.I thought they were just something that moved. Just goes to show how much I know. (Not a lot LOL).