It is true that toy figures can be found in the bigger supermarkets and garden centres, but inevitably the theme is either agricultural, wildlife, dinosaurs, or fantastical. The last of these offers a number of medieval knights lacking any historical reference or, in most cases credulity. They are merely characters amongst the hordes of monsters and faeries. Some of these are actually very well done. I am thinking of the models made by Scheich and Papo in particular. Certain monsters offer fantasy gamers the opportunity for conversion to useful tabletop pieces. The Papo mammoth is a wonderful model that screams Mumakil! Or would, were a plastic model able to do so!
But these modern toys are not the ‘toy soldiers’ of yesteryear. For one thing they are huge, reckoned at about 1:20 scale, although admittedly it is hard to tell with a dinosaur, let alone a faerie. The only vaguely comparable things I could find