Experience mesmerizing visual formations with the form Fidget Pen's avant-garde design, utilizing reflective polymer for surprising shape shifts. Flip the switch and witness the smooth cylindrical pen magically crinkle into a faceted geometric pattern, travel along the length of the pen, accompanied by an audible sound, creating a sensory delight. Enjoy the convenience of quick-drying, high-quality ink that ensures your pages and hands stay clean, with a 0.5mm fine tip for precise and clear writing. Enhance comfort during long writing sessions with the retractable gel pen featuring a contoured silicone grip for ergonomic support. Indulge in the addictive combination of visual, sonic, and tactile effects, making the artistic Crinkle Pen a must-have for kids, teacher, student, engineer, doctor, lawyer, designers, and artist. Colour:Silver/multicolor/Black/champagne gold Material:Metal<br><br>Package Contents: 1 x Retractable Gel Pen / 3 x Retractable Gel Pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.