Product overview This electronic hourglass kit combines a handson assembly project with a finished decorative object. The kit is built on a printed circuit board and includes LEDs and components that let learners practice basic welding and soldering skills while assembling a visually appealing electronic hourglass. Key benefits Practical skill development: Provides a structured, smallscale project for practicing welding and soldering techniques on a PCB board. STEM education focus: Designed for middle and school students to encourage interest in engineering and electronics through a tangible build. Attractive finished item: Once assembled, the electronic hourglass serves as a decorative desk or shelf piece and a demonstration of the builder's skills. Engaging, themed project: Aviationthemed aircraft welding exercises create an interestdriven context that can make learning more motivating. Features and attributes Function: Electronic hourglass effect produced by LEDs mounted on a PCB. The kit is both a practice board and a finished decorative item. Materials: PCB board with electronic components and LEDs for assembly. Compatibility: Suitable for standard soldering irons, basic electronic tools, and a multimeter for preassembly checks. Performance: Provides clear LED illumination when assembled correctly; intended as an educational and decorative electronic device. Assembly tip Before soldering LEDs, use a multimeter to test LED brightness and continuity. Checking LEDs prior to soldering can reduce fitting errors and improve conversion rates. Typical use scenarios Classroom STEM lesson: Use the kit as a guided lab exercise to teach basic circuit assembly, component identification, and soldering safety. Home hobby project: A beginnerfriendly build for hobbyists who want handson practice and a finished decorative piece for a desk or shelf. Education fair or demonstration: Build and display the hourglass to demonstrate practical skills and spark conversations about electronics and aviationrelated design. What this product solves Provides a lowrisk way to learn soldering and component placement on a PCB. Bridges theoretical STEM concepts with a handson, visible outcome that reinforces learning. Offers a readymade, attractive item that rewards effort and can be used as a gift or classroom demonstration. Contents and expectations PCB board with LED points and electronic components for assembly. Basic soldering and testing procedures are required to complete the project. No special certifications or external accessories are beyond common soldering tools and a multimeter.