Just a note - If anyone is still wanting either the Kanjani8 Eight Uppers or Eight x Eighter snow domes, both are being sold on Ebay. I bought both of my domes from this person so I know she is very reliable.
http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p5197.m570.l1313&_nkw=kanjani+snow&_sacat=See-All-Categories