Wilhelm Aletter's piano miniature is a light, salon-style work intended for amateur domestic performance. It features a straightforward melodic structure with minimal technical demands.
Focus on evenness of touch across the right-hand legato lines.
Comparable difficulty and character — good candidates for what to learn next.
Blauäugelein is rated Henle level 2 of 9 — beginner repertoire, roughly ABRSM grades 2–3. In the RCM system it corresponds to about level 2.
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 Blauäugelein lasts about 2 minutes.
Blauäugelein 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 Blaue Aeuglein by Friedrich Burgmüller, Albumblad by Oskar Merikanto, "Berceuse" by Alexandre Édouard Goria — see the full similar-pieces list on this page.