How many letters does the top answer for “a product of your creative thinking and work” have?

The most common answer is brainchild (10 letters).

Crossword clue: a product of your creative thinking and work

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

brainchild 10 letters wn-def

a product of your creative thinking and work

inspiration 11 letters wn-def

a product of your creative thinking and work