A great part - looks really like a small toilet and is very convenient to use. The shell for the fiscal can take out and disassemble the whole thing, if something has gone wrong. My son (2.5) accepted the children's toilet immediately much better than all the pots and always likes to go on it now, because he can do the same thing all by myself, without lifting etc. Even the Drüberpullern can be better avoided than with smaller pots.
