Techno Line 1521859. The Techno Line Model kids clock is designed to facilitate the teaching of mechanical clock mechanisms in an educational setting. This mechanical wall clock teaching kit features a transparent 20 cm diameter face, which allows students to observe the inner workings of clock components, such as gears and hands, in real-time. Engineered to assist in the instruction of time-telling, the kit is ideal for educational institutions aiming to integrate practical demonstrations into their curriculum to enhance understanding of mechanical systems. Its transparent casing provides a clear view of the internal mechanics, allowing for detailed study and analysis of gear interactions and movement transmission within a clock mechanism.