The kids focus their energy on these immediately and calm down, ready to move back into their regular studies. They also work great as rewards.or you can use them in waiting at the doctor's office, or waiting for dinner or any time.
Note:
1. 3-year-old children need to supervise the use of wooden sticks
2. I'd say it leaves about little mess as it would if you were erasing pencil; you know, like when the eraser pieces come off. It's not much but there is some.