Yes, SHTICKS is a Scrabble word!

Letter values in Scrabble US: S 1, H 4, T 1, I 1, C 3, K 5, S 1.

Is it a valid word?

SHTICKS is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

(Yiddish) a little; a piece
(Yiddish) a contrived and often used bit of business that a performer uses to steal attention
(Yiddish) a prank or piece of clowning
(Yiddish) a devious trick; a bit of cheating