I want to find a rime cube makeing domestic device within uk shops?

for home useI want to find a rime cube makeing domestic device within uk shops?
http://www.kelkoo.co.uk
Costco are doing one at the moment, cant remember how much it was, but shift and have a look
Now days they trade name these plastic trays (you might have hear about them) you simply fill them beside water and put them surrounded by the freezer. Cheap & Simple, Job Done.