This is a wooden assembly kit for school clubs, arts and crafts courses, shop classes, or individuals. The kit consists of pre-cut hardwood halves and axles, suitable for gluing and assembly into a one-piece yo-yo. Carve it, paint it, write your name on it, this can be personalized to your own satisfaction. Each kit will produce 25 yo-yos. String is included; glue is required and not included. (Any wood glue will suffice.)