Features: Realistic traffics Simulation: This model includes a simulated traffics signals , replicating actual traffics signals to assist children in learning traffics rules and improving safety awareness in various settings. Immersive Sound: Features a beeping sound function that replicates real stop light sounds, increasing interactivity and enjoyment, ideal for family and classroom applications. Efficient Battery Power: Powered by button cells, it allows for easy replacement and extended usage, suitable for frequent application in educational or home settings. Sturdy Construction: Made from high-grade plastic, it withstands impacts and pressure, ensuring longevity for active children and reducing the need for replacements. Easy Assembly Design: quick assembly, making it straightforward and time-efficient for busy parents and educators. Specifications: Component: Plastic Size: Approx.4.5x13cm/1.77x5.11inch Quantity: 1pc Package Includes: 1x Simulated Stop Light Model note: 1.Please allow 1-2cm errors due to manual measurement, note that you donot mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.