Tchaikovsky's 'Allegro Vivace in Bb major' is a delightful and effervescent piece, likely an excerpt from a larger work or a standalone miniature. Its vivacity comes from rapid figurations and clear melodic lines.
Emphasize a light touch and crisp articulation to achieve the sparkling effect.
Allegro Vivace in Bb major is rated Henle level 6 of 9 — advanced repertoire, roughly ABRSM grades 7–8.
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 Allegro Vivace in Bb major lasts about 5 minutes.
Allegro Vivace in Bb major is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.