Léon de Saint-Lubin, primarily a violinist, crafted this virtuosic set of variations that highlights idiomatic keyboard brilliance. The writing is highly ornamental and designed to showcase technical dexterity.
The main challenge is achieving clarity and evenness in the rapid, light-fingered passagework.
Comparable difficulty and character — good candidates for what to learn next.
12 Variations Op.2 is rated Henle level 6 of 9 — advanced repertoire, roughly ABRSM grades 7–8. In the RCM system it corresponds to about level 9.
You should be comfortable at Henle level 6 — meaning you can already play level 5–6 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 Op.2 lasts about 5 minutes.
12 Variations Op.2 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 Fantaisie-Impromptu in C-sharp minor by Frédéric Chopin, Rondo capriccioso in E major by Felix Mendelssohn, Rondo a capriccio in G major by Ludwig van Beethoven — see the full similar-pieces list on this page.