Ball and Ring Apparatus

A classic demonstration of thermal expansion

The Ball and Ring Apparatus is a classic educational instrument used to clearly and visually demonstrate the principle of thermal expansion in metals. Built for durability and precision, it combines scientific accuracy, high-quality materials, and professional craftsmanship.

Constructed entirely of solid brass, the apparatus features a brown lacquered wooden handle, providing a comfortable grip and added safety during classroom demonstrations.

🔬 Educational Value

• Clear demonstration of thermal expansion

• Visual and intuitive understanding of how heat affects metals

• Engaging, hands-on experiment that captures students’ attention

• Supports inquiry-based and experiential learning

⚙️ Key Features

• All-brass construction for strength and long-term durability

• Brown lacquered wooden handle for secure and comfortable handling

• High-quality finish, suitable for repeated classroom and laboratory use

• Includes an activity guide with ready-to-use educational experiments

🎓 Ideal For

• Physics and physical science classes

• Classroom demonstrations

• Educational laboratories

• Secondary and post-secondary education