How do I solve 18 down in Times Cryptic 29552?

Question

Accepted Answer

18 down reads "Reveal work of mischievous children?" (6 letters); the answer is IMPART. It's a charade: the answer breaks into parts in clue order, each part clued by a word or short phrase. No indicators needed; watch for standard abbreviations (RA = artist, US = American, IN = at home) and short synonyms. The full step-by-step breakdown is on this page.

Reveal work of mischievous children? (6)

18D — Reveal work of mischievous children? (6) — IMPART