While we have no kids, other than the 4 legged variety, we both loved AK as a whole including Conservation Station. The train ride over was kind of on the non-eventful side, but we enjoyed meeting Pipa the talking trashcan, seeing all the critters in the petting zoo, listening to all the tree huggin' hippy stuff at the station as well as doing the sounds of the rainforest booths. There was a cool presentation on an endangered owl species and we were engaged in a debate about whether or not the grand daddy long legs was actually a spider or not. They have monitors set up along the Pangani Trail and in the overnight barns. You can choose animals to watch a bit more up close from this remote location. There were some cool dead bugs and neat skeletal remains of creatures on display. They had an animal cafe of sorts with someone there to show and discuss with you foods that some of the animals in the park eat. There were vets there that explained some of the captive breeding program work that is ongoing there. They measure the hormones in the poop to determine when the animals are ready to breed. We met Meeko and Rafiki there too, but this was at least a 2 hour event for us.
If your kids like Animal Planet, this is a place you are going to have to go to. It's worth the time. IMHO Mickey