I picked up a mathmos baby astro glitterball from my local car boot sale this weekend for £3. It was in a sorry state but after a few hours I've managed to get the glitter in one place at the bottom but there is hardly any movement even though I've left it running all day.
Its also a little bit cloudy so I was considering a refill, having read a couple of old threads I'm not sure what to use, is it pure glycerine? can someone please confirm?
found quite a lot on ebay e.g.