Man's best friend just got even better! A dog you don't have to walk or feed, and you control its every move!
Runs on 4 C batteries and 1 9V. Only $200 from the Electronic Eclectic Company.
Or you could go 21st Century with HPI's G-Dog, a $700 mutt that runs on a 7.2V Ni-MH and can do a break dancer's headstand (00:20!):