Just come accross this website http://www.ema-models.com/ that may help with sourcing parts - (they do domes - which could help with building slime blowers) they can ship outside the UK
if it’s been listed before, sorry, feel free to delete it mods 
Just come accross this website http://www.ema-models.com/ that may help with sourcing parts - (they do domes - which could help with building slime blowers) they can ship outside the UK
if it’s been listed before, sorry, feel free to delete it mods