Well, today I decided to take my 3 year old and one of my older boys to the railroad tracks for a walk. We've done this several times since we've lived here, but this was the first time I took our youngest. I wasn't scouting for spikes, metal or stuff that falls of trains - just out with the boys taking a walk (the 3 year old LOVES trains, and I knew he'd love throwing some rocks around and walking the rails). I bought some spikes from McMaster-Carr when I learned (on IFI, in fact) that pi