Yes, SPILLIKINS is a Scrabble word!

Letter values in Scrabble US: S 1, P 3, I 1, L 1, L 1, I 1, K 5, I 1, N 1, S 1.

Is it a valid word?

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

a game in which players try to pick each jackstraw (or spillikin) off of a pile without moving any of the others
a thin strip of wood used in playing the game of jackstraws