Mozart's minuets are exemplary of the Classical form, displaying elegance, clarity, and often a touch of playful wit. These pieces are characterized by their refined melodies and balanced harmonic progressions.
Focus on a light, precise articulation and the elegant shape of each phrase.
12 Minuets is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 4.
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 12 Minuets lasts about 10 minutes.
12 Minuets is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.