This piece is a charming set of variations by C.P.E. Bach showcasing the transition from Baroque to Classical keyboard style. It is distinctive for its galant sensibility and idiomatic use of keyboard ornaments.
Students must master the crisp articulation and the specific execution of the 18th-century appoggiaturas.
Comparable difficulty and character — good candidates for what to learn next.
Allegretto con variazioni, H.65 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 Allegretto con variazioni, H.65 lasts about 4 minutes.
Allegretto con variazioni, H.65 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 Canzonetta con 6 Variazioni, H.275 by Carl Philipp Emanuel Bach, 12 Variations on 'Colin a peine à seize ans', H.226 by Carl Philipp Emanuel Bach, Allegro in A major by Carl Philipp Emanuel Bach — see the full similar-pieces list on this page.