Cheap stuff or just save up to get something better.
Nope, phones cause a serious distraction. Especially for younger kids, like me. It can lead to Short Concentration, constantly losing track of what they originally thought about. They won't be able to think about something for long periods of time of they're always checking their phones for a text or notification.
F-A-B-F
The lines would be EGBDF
and the spaces will always be FACE