This short character piece utilizes traditional folk-like structures common in late 19th-century Flemish composition. It is rhythmically driven and structurally concise.
The main technical hurdle is achieving evenness in the left-hand accompaniment patterns.
Comparable difficulty and character — good candidates for what to learn next.
'k Zag is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 3.
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 'k Zag lasts about 2 minutes.
'k Zag 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 "Dansen" voor piano by Jef Tinel, 't Was in de blijde mei by Jef Tinel, 't Wordt avond by Jef Tinel — see the full similar-pieces list on this page.