Interactive Crinkle Design: Experience a pen that forms from a smooth into a geometric textured pattern with a simple switch. The engaging tactile design adds of fun to everyday writing Comfortable & Practical: Designed with a soft grip and smooth-flowing 0.5mm gel ink, this pen offers an ergonomic writing experience ideal for extended use Multisensory Writing Tool: Combines visual formation, sound, and tactile satisfaction to create a writing experience that doubles as a focus-enhancing tool & Portable: Crafted from high-quality plastic with a metallic finish, the pen is yet sturdy-perfect for school, office, or on-the-go writing needs Gift-Worthy & Versatile: A great desk companion or thoughtful gift for students, colleagues, or anyone who enjoys functional and Color: As Shown Material: Metal+Plastic Package Contents: 5 x Crunchy Sensory 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.