Yes, yes it is fun!! Here is a past post regarding the rodenator;
https://www.24hourcampfire.com/ubbth..._Group_fails_in_bid_to_recal#Post7787531It can alter the top soil but it's quite interesting and fun seeing where the tunnels are routed. I've had the tunnels run in the complete opposite direction from where I thought they would go....it certainly gets your attention when the ground heaves up under your feet!!