@casino Looks like spam sites with a lot of junks. These should be blocked. But more importantly, you should let kids be aware that sites like these are dangerous. There are dangers of phishing & viruses. In fact, the first one is blocked by “Google Safe Browsing”.
It’s not possible to find all sites like these, since they popup everyday. But kids should be educated to spot the danger and avoid them.
Alexa.com will list similar sites when you enter these domains.