The Tamiya 75020 Line Tracing Snail is an educational model that demonstrates basic sensor-controlled movement to modellers and students. Its clear high-impact polystyrene body allows you to view the gearing and motor layout during operation. Driven by two Type 130 motors and guided by an infrared LED sensor, the snail follows a dark line on a light base to illustrate fundamental automation. The rubber tyres deliver steady traction for low-speed test runs, making this an accessible project for workshops and hobby benches.
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