LEISURE ARTS-Beginner Set For Kids: The Knook. Now you can knit with a crochet hook! This kit includes a step-by-step Learn to Knook instruction book (right and left handed instructions), two Knooks (8mm and 9mm), two 42 inch long cords, one clip, and two yarn needles. The kit provides kids with three beginner projects! The package includes one kit. Imported.