Classic Green Army Men Toys -... https://www.amazon.com/dp/B0016KTOX2?ref=ppx_pop_mob_ap_share

It’s these guys. They are the only plastic army men around 1 to 1 1/4 inch tall (around war hammer human mini height) that is made of hard plastic. NOTE that they don’t look like the Amazon store picture

There is another Amazon store that sells more detailed soldiers for the same price, but they are made of soft plastic