WINBOB 20 Pcs Magic Pens & Refills for Reusable Magic Practice Copybook, Drawing Pen of Invisible Ink, with Writing Training Aid Pencil Grip - N4545

• UPC   739722657123
• There are 2 pcs pen covers, 20 pcs refills, 4 pcs pen holders, A useful combination for children to practice, enough quantity for long time using. Magical Reusable Function: The magic ink refill pen will fade after 8 minutes and disappear completely after about 15 minutes when tracing the text and image path and can be reused over again. This is great for repeated practice. The pigment of the ink refill is extracted from plants, so it is safe for children. 20 pcs ink refills for Monking magic copybook,so many quantity can used long time. This is an aid pen grip that allows kids to use the pen for a long time while remaining comfortable. It is also effective in correcting the writing posture to ensure writing is beautiful based on English fonts. This improves a child’s self-confidence. These practice pens are light in weight, and proper for kids to write, comfortable using experience. All faults or defects found with the magic pen & refills will be immediately replaced or refunded.