Kid's art activity ... or something seen four times in this puzzle's solution?

Question:

Answer:

COLORBYNUMBER

Length:

Similar Crossword Questions:

Minimum number of times each letter of the alphabet appears in this puzzle's solution
___ accent, mark used symmetrically six times in this puzzle's solution
New Year's tune transposed nine times in this puzzle
UN's activity, at times
Speaker's challenge scrambled three times in this puzzle
Activity suggested by this puzzle's theme entries
Word "positively" hidden four times in this puzzle
Theme of this puzzle, seen seven times in the grid
Second of a pair of letters swapped six times in this puzzle's theme entries
TV show whose working title was "Please Stand By" (and what you'll have to cross 18 times when solving this puzzle)
Today, to CaesarÂ—and a hint to the hidden word appearing in this puzzle 15 times (including the one in this answer)
Carpenter's activity, at times
Classic schoolyard activity, and theme of this puzzle
Cult classic whose title is depicted four times in this puzzle
Maneuver required five times to finish this puzzle
"I'll take 'The New York Times Crossword Puzzle' for $200, ___"
About whom Nabokov said "She was like the composition of a beautiful puzzle - its composition and its solution at the same time"
Word form made with the big letter depicted in this puzzle's diagram (this letter is entirely absent from the solution)
Flee (and what you must supply four times in this puzzle)
Group activity, at times
Janitor's activity, at times
Sign of spring, hidden four times in this puzzle
1966 Rolling Stones hit ... or an instruction to be followed four times in this puzzle
Apt activity while solving this puzzle?
Classic question answered six times in this puzzle