Does anyone know where i can buy replacement remotes for dr who toys?

my grandson is absolutely mad on dr who and he has the remote control k-9 and dalek.we bought the k-9 off ebay and there was no remote with it so i searched the internet and found a place in manchester that had them,but i can't find the company now.does anyone know where i can get these remotes from as he has broke both of them and he's going spare without them!! (kids!!). he also needs an electronic eye for the dalek any suggestions (no bad language please) would be appreciated.thank you in advance|||ebay the best best