I'VE GOT TWO HERO JR. ROBOTS FOR SALE. I RECENTLY WATCHED OTHERS GO ON EBAY. THE ONE WORKED FLAWLESSLY BEFORE I STORED IT AWAY IN THE CLOSET THE OTHER WORKS BUT I THINK IT GAVE OUT AN ERROR CODE. I PLAN ON GETTING THEM OUT....I KNOW THEY WOULD NEED NEW BATTERIES. ANYONE INTERESTED. WAS THINKING OF SELLING THEM ON CRAIGSLIST. IM IN MEDINA COUNTY, OHIO.