Anton Eberl, a contemporary of Beethoven, composed these variations in a style that bridged the gap between Haydn's clarity and early Romantic sensibility. The work is marked by its cheerful character and idiomatic keyboard writing that emphasizes melodic clarity.
Pay close attention to the light, detached touch required in the right-hand variation figures against a steady, non-rushed left-hand bass.
Comparable difficulty and character — good candidates for what to learn next.
12 Variations on 'Freudin sanfter Herzentrieb' (Op.6) is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 6.
You should be comfortable at Henle level 4 — meaning you can already play level 3–4 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 Variations on 'Freudin sanfter Herzentrieb' (Op.6) lasts about 6 minutes.
12 Variations on 'Freudin sanfter Herzentrieb' (Op.6) 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 11 Variations on 'Ascouta Jeannette' by Anton Eberl, 10 Variations on 'Malbrough s'en va-t-en guerre' by Anton Eberl, 10 Variations on 'Zu Steffen sprach im Traume' by Anton Eberl — see the full similar-pieces list on this page.