I've had many kids and many speakers. Only way is to ensure that kids can not get to the stands/speakers at all. We used folding gate like things which created a barrier around the speakers which yes are ugly. Out of reach is the only other viable solution I know if if you can put the speakers on a bookcase or piece of furniture until the kids are older. Even with 100lb stands they can still rock them and topple the speakers over on the floor or worse their heads.
FWIW, we only had to do this for a couple years. Of course there is the tweeter poking issue but that argues for horns.
FWIW, we only had to do this for a couple years. Of course there is the tweeter poking issue but that argues for horns.