Potty seat with a hanger to hang it on a toilet.
I have two sets. $10/each
https://www.amazon.ca/Munchkin-Sturdy-Potty-Seat-Colour-Vary/dp/B01AMWUO1U/ref=asc_df_B01AMWUO1U/?tag=googlemobshop-20&linkCode=df0&hvadid=292951661912&hvpos=&hvnetw=g&hvrand=15977470825262535286&hvpone=&hvptwo=&hvqmt=&hvdev=m&hvdvcmdl=&hvlocint=&hvlocphy=1002273&hvtargid=pla-397828962138&psc=1
