[Complete Noble Gas Set]: Includes six sealed tubes filled with helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and mercury (Hg). When powered, each tube emits a unique, vivid glow [Visual Spectrum Demonstration]: Clearly displays the characteristic emission spectra of inert gases, helping students and science enthusiasts understand atomic structure and spectral lines [Multiple Excitation Options]: Compatible with various excitation power supplies to accommodate different teaching needs, ranging from adjustable intensity to spark-gap discharge with music synchronization [Safe & Durable Design]: Features sealed glass tubes and a stable base to ensure safe operation in educational environments, with long-lasting performance suitable for repeated demonstrations [Ideal for STEM Education]: Designed for middle and high school chemistry and physics classes, science fairs, and lab demonstrations, aiding students in visualizing atomic emission and high-pressure glow phenomena