Bibi-Bamban is a charming, lighthearted waltz by Jacques Offenbach, characteristic of his operetta style. Its appeal lies in its catchy melodies and danceable rhythms.
Focus on maintaining a light touch and clear rhythmic pulse for the waltz feel.
Bibi-Bamban is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7.
You should be comfortable at Henle level 5 — meaning you can already play level 4–5 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
Bibi-Bamban is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.