Feature: 1. Material: The sensory slider is made of stainless steel, producing sound when gently pushed, providing a comfortable grip and have exquisite workmanship finish. 2. Mechanism Structure: Features a mechanical design with ball bearings and springs. The springs produce a sound feedback when the slider is pressed. 3. Play Method: Slide the slider up and down along the track to engage the small ball, which rolls back and forth in response to the spring compression, emitting a crisp sound. 4. Portable Toy: Compact in size, the slider is easy to carry and can be played with using just one hand. Enjoy this delicate toy in various settings like the office, home, school, station, or outdoors. (we do not recommend that you use it in a quiet place such as a classroom or meeting room, as the sound emitted may affect others.) 5. Size: Approx. 50 x 32 x 12mm / 2 x 1.3 x 0.5in, including screwdriver of the package, easy adjusting, come with storage box for convenient storage when travel and easy for carrying. Specification: Item Type: Haptic Slider Material: Stainless Steel Size: Approx. 50 x 32 x 12mm / 2 x 1.3 x 0.5in. Package List: 1 x Haptic Slider2 x Screwdriver 1 x Clip 1 x Storage Box