Answer:

immie

Answer	Crossword Clue
IMMIE	Glass marble
IMMIE	Fake aggie, in marbles
IMMIE	Shooting marble

IMMIE	Ersatz aggie, in marbles
IMMIE	Playing marble
IMMIE	Kid's shooter
IMMIE	Kid's marble
IMMIE	Mib's relative
IMMIE	Color-streaked playing marble