LUYJWZN Crunchy Sensory Pen, 0.5mm Crinkle Textured Sensory Pen, Geometric Metal Shape Shifting Switch for School Home Office Supplies (3pcs-Mix)

【Crunchy Sensory Pen】: Experience a unique pen that transforms from a smooth barrel into a geometric textured pattern with a simple switch. The engaging tactile design adds a touch of fun to everyday writing 【Comfortable & Practical】: Enhance comfort during long writing sessions with the retractable gel pen featuring a contoured silicone grip for ergonomic support 【Multisensory Writing Tool】: Combines visual transformation, subtle sound, and tactile satisfaction to create a writing experience that doubles as a focus-enhancing tool 【Interesting Design】: Black Or Silver Iridescent Barrels Crinkle Seamlessly When You Flick The Switch, Witness The Smooth Cylindrical Pen Magically Crinkle Into A Faceted Geometric Pattern 【Versatile】: A great desk companion or thoughtful gift for students, colleagues, or anyone who enjoys functional and fun stationery