Kingda Ka became the tallest and fastest roller coaster in the world, taking both world records from Top Thrill Dragster at Cedar Point. It lost the title of world's fastest when Formula Rossa at Ferrari World opened in November 2010.
I want to know as much information as I can about puppies, since we'll be fostering pretty soon. Someone said (not on Dogster) that they should start wearing breakaway collars at 4 weeks.
Re: Proper age to start e-collar. by natetnc Â» Mon Jul 27, 2009 9:10 am. mine said 6mos on the box, i think at that age, if you have worked with them, they should know the commands you are giving.