The Mechanical Hivers sell Iron spiders as pack animals within UWE. Pretty much just crabs retextured. (they love water). The Security Spiders seem to age just fine. The Iron Spiders though seem to just stay at pup. I went into Forgotten construction set and change their lifespan to 1 day. This would make it so they would sell Elders only essentially. This was true for the security spiders yet the iron spiders still at pup. My first Iron spider, who is still a pup, I got about Day 5 and its Day 65 now. The 2nd iron spider I bought at day 55 and is also still a pup. I've encountered this before and I have been trying to fix it for like a year now. Any help or advice would be appreciated.