This is a charming, obscure character piece from the late Romantic salon tradition. It is distinguished by its lighthearted melodic contour and typical nineteenth-century parlor phrasing.
At Henle 2 this is a beginner-level piece, where steady coordination between the hands is the main hurdle. The main demands: a true singing tone, with the melody floating above the accompaniment; careful pedaling — clarity depends on the foot as much as the fingers; and fine finger independence within the hand.
The primary challenge is maintaining a light touch to achieve the whimsical, watery character of the title.
Comparable difficulty and character — good candidates for what to learn next.
A level or two down with the same spirit — ideal if this piece is still out of reach.
Where this piece's skills lead: slightly harder works making similar technical demands.
Faire trempette is rated Henle level 2 of 9 — beginner repertoire, roughly ABRSM grades 2–3. In the RCM system it corresponds to about level 3.
You should be comfortable at Henle level 2 — meaning you can already play level 1–2 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 Faire trempette lasts about 3 minutes.
Faire trempette 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 Espiéglerie by François-Xavier Maurice Joseph Jean, Arroz con leche by Anonymous, Die Mühle im Schwarzwald by Richard Eilenberg — see the full similar-pieces list on this page.