Enhances desktop decoration, time management, or creative lighting in settings like offices, classrooms, or maker space innovative timekeeping with the LED Electronic timer, featuring gravitate sensors that automatically detects orientation to simulate realistic sand for timing The clear ABS case showcases internal electronics, while double power option via USB or battery ensures portability for indoor or outdoor use Ideal for students and enthusiasts, this educational set provides hands on practice in electronics construction and learning Customize lighting with blue, green, or red LED effects in or dynamic mode, and utilize the PCB design for easy soldering and circuit assembly