Mini Whiteboard Erasers are designed to wipe out any dry-erase markers. Great for student use. Includes 10 per pack. Each eraser measures 2" x 1.5" x 0.75" each. Non-Magnetic. Non-Magnetic Mini Whiteboard Erasers, Super fun themed designs and great for small hands!. These 10 pack sets are great for the classroom or for gifts!. Keep in a small bucket, box or drawer!. Classroom Décor. Age: 5+ years/Grade K-12