Fetrás was a master of the Viennese light dance style, and this piece functions as a brilliant, technical display work. It is distinguished by its crisp articulation requirements and rhythmic vitality.
Develop the finger-independence needed for the rapid, staccato articulation required in the thematic material.
Comparable difficulty and character — good candidates for what to learn next.
Blumenpyramiden (Op.36) is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7. In the RCM system it corresponds to about level 7.
You should be comfortable at Henle level 5 — meaning you can already play level 4–5 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 Blumenpyramiden (Op.36) lasts about 4 minutes.
Blumenpyramiden (Op.36) 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 12 Variations on "Ah vous dirais-je, Maman" by Wolfgang Amadeus Mozart, Waltz in D-flat major, No. 1 by Frédéric Chopin, 12 Variations on 'Ah vous dirai-je, Maman' by Wolfgang Amadeus Mozart — see the full similar-pieces list on this page.