【DESIGN INSPIRATION】: Ferrofluid Sound Visualizer. It integrates the principles of magnetic fluid dynamics with audio visualization, creating a vivid display that intuitively demonstrates scientific concepts while delivering aesthetic appeal. Ideal for those passionate about science, art, and innovative tech intersections. 【PRODUCT MATERIAL】：Unlike products made with cheap faux-wood, this ferrofluid features a genuine walnut wood case that exudes natural warmth and texture. It’s paired with a high-transparency glass container, filled with non-toxic, eco-friendly nano iron powder and pure water. Equipped with a built-in MIC and white LED backlight, it works wirelessly, and its internal battery delivers up to 8 hours of continuous use on a full charge—perfect for various scenarios. 【INTERACTIVE & CREATIVE PLAY】:The magnetic fluid reacts not only to sound vibrations but also to the included magnets. You can manually manipulate it to craft your own creative displays, adding a fun and personalized touch. 【THOUGHTFUL GIFTING KIT】: We’ve meticulously refined every detail of this gifting set, complete with a sleek, durable gift bag and an exquisite greeting card (crafted in a minimalist yet elegant design). This all-in-one kit eliminates the hassle of last-minute gift prep while infusing a touch of sophistication, making it the perfect choice for anniversaries, Christmas, or any moment you want your gift to leave a memorable impression. 【NOTE】:Does not contain a speaker and will not make a sound. Pressure-Relief Bubble Design: A small visible brown bubble balances internal pressure. It rises to the top when upright and is part of the normal structure. Avoid high-temperature environments. 📍 Perfect for Every Space & Person Whether you’re sprucing up your home office, adding flair to your living room coffee table, or teaching kids about magnetism and sound waves—this visualizer fits seamlessly: Home Office: Let the fluid’s gentle movements calm stress during long workdays. Living Room: Wow guests at parties—everyone will stop to watch it react to your playlist. Classroom/Homeschool: Make physics fun! Show kids how sound and magnets interact (no complicated setup needed). Gift Idea: Ideal for science lovers, music fans, or anyone who hates “basic” home decor.