Baby Bjorn Toilet Trainer Parents looking for a simple, no nonsense toilet trainer should look no further than the Baby Bjorn Toilet Trainer. It is one of the most comfortable versions of potty chair on the market and is adjustable to fit most toilet seats. It features a soft, ergonomic shape which makes it both safe and comfortable. The potty chair from Baby Bjorn is the first toilet trainer which can be easily adjusted. Think about how difficult potty training is. The child is use to going the bathroom one place and one place only his entire life. Now, all of a sudden, parents are expecting him to use a toilet. The Baby Bjorn potty will certainly make the adjustment a little bit easier. The potty chair does not feature any sharp angles or joints which could traumatize a child. One of the keys to getting the child to go is to have him feel comfortable with the seat. How can a child not feel comfortable with the Baby Bjorn Toilet Trainer? It is the go to potty chair. It can be used with a child from about 2 to 6 years and is one of the most popular Baby Bjorn items.