Write & Wipe Pens with Eraser By Knowledge Builder Stationary Art and craft for kids 3yrs+

Perfect for use with many of the Knowledge Builder Products – the Multiplication and 1-120 Number Charts, 0-30 and 0-120 Number Lines, Write on Ten Frame Boards and Magnetic Counters, the Write on Board and Number Lines and Number Expanders. The attached eraser makes it easy for children to correct any mistakes.