Simple Solution Potty Training Aid at Petsmart.
YES IT DOES WORK!!! Excellent Product!!!
I have used to Train all 4 of my Yorkies.
I am using right noe for my 11 wk old.
I have a litter of 4 that is 4 1/2 wks old & starting it on them this week.
Hopefully They will be trained when they go to their new Homes when they are 8 wks old.