Kirnberger was a significant theorist and composer who bridged the Baroque and Classical styles. This ballet piece showcases his mastery of refined, contrapuntal keyboard writing.
Pay close attention to the stylistic execution of the ornaments to ensure they sound natural and not mechanical.
Comparable difficulty and character — good candidates for what to learn next.
Ballet in B major, EngK 82 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 Ballet in B major, EngK 82 lasts about 2 minutes.
Ballet in B major, EngK 82 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 Allegro in D major by Johann Philipp Kirnberger, Allegro fürs Clavier by Johann Philipp Kirnberger, Allegro in A-flat major, EngK 50 by Johann Philipp Kirnberger — see the full similar-pieces list on this page.