Schubert's 8 Ländler D.378 are charming short character pieces in folk dance style. They are distinguished by their melodic grace and typical Schubertian harmonic progressions.
Focus on maintaining a steady tempo while allowing for expressive phrasing and clear articulation.
8 Ländler (D.378) 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 8 Ländler (D.378) lasts about 1.5 minutes.
8 Ländler (D.378) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.