(...) Umm... because *every* NXT can be equiped with a rechargable battery pack that works like a power port on the 1.0 RCX? So you run a power cable up Spike's... um... abdomen. And if the kid tears Spike apart, just make sure there's a camera (...) (18 years ago, 23-Jan-07, to lugnet.org.ca.rtltoronto)