🎶 Make Waves with Science! Lightweight at 450 g for easy transport. Transform sound into mesmerizing patterns! Get started right away—no power required! Effortless setup for instant experimentation. Crafted from durable steel for longevity. 240 mm diameter 450 g weight Steel construction The 3B Scientific U56005 Chladni Plate is a high-quality, circular steel plate with a diameter of 240 mm, designed for visualizing sound vibrations. Weighing only 450 g, it’s easy to transport and set up, making it perfect for educational demonstrations or personal exploration of acoustics. No batteries are required, allowing for immediate use.