1000 Misspent Hours says,
Children Shouldn’t Play with Dead Things was one of Clark’s earliest movies, and while it’s pretty obvious that he didn’t really know what he was doing at the time, it’s also plain enough that there’s a spark of talent driving this film. Beyond that, Children Shouldn’t Play with Dead Things was to the best of my knowledge the first North American zombie film inspired by George RomeroMillion Monkey Theater has a lengthy plot description and screenshots and says,
It’s certainly slower going than horror films made today but the buildup is spooky and when the zombies finally crawl from their graves it careens towards the genuinely creepy conclusion at a brisk pace. It’s clear that everyone involved did their best to make as good a film as they could and but for a bigger budget and a couple of rewrites this could have been a true horror classic.