Johann Strauss Sr. brought the energy of the Viennese ballroom to the piano, creating works that are both rhythmic and virtuosic. This set of waltzes relies on clear character changes and driving bass lines.
Maintain the energy and rhythmic lift throughout the transitions between different sections of the suite.
Bouquets (Op.197) 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 Bouquets (Op.197) lasts about 7 minutes.
Bouquets (Op.197) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.