This product image released by CTA Digital shows the 2-in-1 iPotty with Activity Seat for iPad. For some parents, summertime is potty training time. And like so many aspects of life with kids, potty training means gear, lots of gear. The choices in potty seats and chairs proliferated and sprouted all manner of bells and whistles. (AP Photo/CTA Digital)
This product image released by Potty Training Boys by Potty Scotty shows the Riding Potty Chair. For some parents, summertime is potty training time. And like so many aspects of life with kids, potty training means gear, lots of gear. The choices in potty seats and chairs proliferated and sprouted all manner of bells and whistles. (AP Photo/Potty Training Boys by Potty Scotty)
This product image released by BabyBjorn shows the BabyBjorn Potty Chair. For some parents, summertime is potty training time. And like so many aspects of life with kids, potty training means gear, lots of gear. The choices in potty seats and chairs proliferated and sprouted all manner of bells and whistles. (AP Photo/BabyBjorn )
This product image released by Teamson shows the Prince Potty Chair. For some parents, summertime is potty training time. And like so many aspects of life with kids, potty training means gear, lots of gear. The choices in potty seats and chairs proliferated and sprouted all manner of bells and whistles. (AP Photo/Teamson)
This product image released by Teamson shows the Magic Garden Potty Chair. For some parents, summertime is potty training time. And like so many aspects of life with kids, potty training means gear, lots of gear. The choices in potty seats and chairs proliferated and sprouted all manner of bells and whistles. (AP Photo/Teamson)
This product image released by Teamson shows the Princess Potty Chair. For some parents, summertime is potty training time. And like so many aspects of life with kids, potty training means gear, lots of gear. The choices in potty seats and chairs proliferated and sprouted all manner of bells and whistles. (AP Photo/Teamson)
This product image released by Safety 1st shows the Musical Talkin Potty and Step Stool. The handle plays flushing sounds and parents can record a personal reward message. For some parents, summertime is potty training time. And like so many aspects of life with kids, potty training means gear, lots of gear. The choices in potty seats and chairs proliferated and sprouted all manner of bells and whistles. (AP Photo/Safety 1st)
This product image released by BabyBj?n shows the Toilet Trainer, a potty training seat that adjusts to fit on a toilet seat. For some parents, summertime is potty training time. And like so many aspects of life with kids, potty training means gear, lots of gear. The choices in potty seats and chairs proliferated and sprouted all manner of bells and whistles. (AP Photo/BabyBj?n)
This product image released by Fisher Price shows the Ducky Fun 3-in-1 Potty training chair. For some parents, summertime is potty training time. And like so many aspects of life with kids, potty training means gear, lots of gear. The choices in potty seats and chairs proliferated and sprouted all manner of bells and whistles. (AP Photo/Fisher Price)
This May 10, 2013 photo shows a penguin shaped urinal for boy's training is shown at a shop in Seoul, South Korea. For some parents, summertime is potty training time. And like so many aspects of life with kids, potty training means gear, lots of gear. The choices in potty seats and chairs proliferated and sprouted all manner of bells and whistles. (AP Photo/Lee Jin-man, file)
