Teachers said they found that touch-sensitive screens could be temperamental. Educational specialists said children's writing is best developed by holding and using a pen from a young age. So Promethean designed a unique battery-free, wire-free ActivPen.

Highlights of the Promethean Teacher ActivPen 50 - single unit

• Encourages development of student's handwriting
• Battery free
• Highly accurate and precise, so you can measure and mark on screen to the millimetre or degree