Daniel Gottlob Türk was a major pedagogue whose keyboard music serves as an essential bridge for students transitioning into the Classical style. This piece emphasizes balance and strict adherence to articulation markings.
The left-hand accompaniment must remain light and subservient to the melodic line.
Comparable difficulty and character — good candidates for what to learn next.
Allegro non troppo in B-flat major is rated Henle level 2 of 9 — beginner repertoire, roughly ABRSM grades 2–3. In the RCM system it corresponds to about level 3.
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 Allegro non troppo in B-flat major lasts about 2 minutes.
Allegro non troppo in B-flat major 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 non troppo in C major by Daniel Gottlob Türk, Piano Sonata No. 16 in C major by Wolfgang Amadeus Mozart, Alla Turca by Anton Diabelli — see the full similar-pieces list on this page.