Reddit mentions of Child Safety PC Guard

not like by default or anything (unless its like a computer case for DIY builds that has built in child safety things, which im sure some people would find useful), just like a lil stick on/snap on cover that would give a toddler some amount of difficulty, or st. same way all those other child safety devices tend to be "add it yourself". I did actually find this thing, its computer only but hey it hides the pretty shinies

https://www.amazon.com/dp/B0021YLVII/ref=cm_sw_r_cp_awdb_cgMgzbS05QWYR - no affiliate link.. price went up a little, but it was worth every penny against a 18-24 month kid (older kids still didnt figure it out too, as it is think and lights doesnt shine through...