Experience mesmerizing visual effects with the Fidget Pen's innovative design, featuring reflective polymer that creates surprising shape shifts. Flip the switch and watch as the smooth cylindrical pen transforms into a faceted geometric pattern, moving along the length of the pen with an audible click, providing a satisfying sensory experience. Enjoy the convenience of quick-drying, high-quality ink that keeps your hands and pages clean, with a 0.5mm fine tip for precise and clear writing. Enhance comfort during extended writing sessions with the retractable gel pen, which includes a contoured silicone grip for ergonomic support. Discover the engaging combination of visual, auditory, and tactile sensations, making this artistic Crinkle Pen a great choice for kids, teachers, students, engineers, doctors, lawyers, designers, and artists. Color: Silver, Multicolor, Black, Champagne Gold Material: Metal Package Contents: 1 x Retractable Gel Pen or 3 x Retractable Gel Pen Note: Only the items listed above are included. Light reflection and differences in display settings may cause slight variations between the color of the item in the photo and the actual product. Measurement may vary by +/- 1-3 cm.