This collection of popular melodies arranged as a medley serves as a light, melodic showpiece. It focuses on sweet, cantabile playing and clear phrasing rather than virtuosic display.
The main difficulty is maintaining a beautiful, singing tone across the varied melodic sections.
Comparable difficulty and character — good candidates for what to learn next.
Bon-Bons Medley Overture is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 4.
You should be comfortable at Henle level 3 — meaning you can already play level 2–3 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of Bon-Bons Medley Overture lasts about 5 minutes.
Bon-Bons Medley Overture is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include Belle of the Ball by Leroy Anderson, American Beauty by Joseph Francis Lamb, Berceuse by Rudolf Friml — see the full similar-pieces list on this page.