This is a duplicate reference to Behr's popular salon piece, which functions as an etude for light, detached touch. The work captures the lighthearted essence of Romantic character pieces for children.
Focus on the grace of the articulation to convey the imagery of butterflies.
Comparable difficulty and character — good candidates for what to learn next.
Ballet des Papillons is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 3.
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 Ballet des Papillons lasts about 2 minutes.
Ballet des Papillons 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 Ballet des Papillons by Franz Behr, Campane di Natale by Franz Behr, Au Hameau by Franz Behr — see the full similar-pieces list on this page.