1 Set DIY Infrared Laser Alarm Teaching Model Light-Controlled Trigger STEM Toy for Student Physics Science Experiment

Description: Build your own infrared laser alarm with this fun educational STEM kit! It is an ideal hands-on science experiment set for students, teenagers, and parent-child family activities, designed to teach basic optics and electronic circuit principles through interactive assembly. Features: 1. Environmentally Friendly Solid Wood Bracket: We use high-quality naturally polished wood as the mounting base for all electronic parts, it is firm, stable, durable for long-term use, free of plastic pollution, and completely safe for teenagers to handle during the assembly process. 2. High-Precision Laser Cutting Process: All wooden parts are cut by high-precision laser, with smooth, burr-free edges, they fit together perfectly without extra sanding needed, which simplifies assembly and avoids scratch injuries when you build the kit. 3. Highly Sensitive Laser Sensor Module: Adopting premium stable electronic components, it can accurately identify any interruption of the infrared laser beam, and trigger the sound and light alarm immediately when the beam is blocked, it performs reliably whether for learning use or small anti-theft demonstration. 4. Safe Low-Voltage Circuit Design: Fitted with high-quality insulated copper wires and long-lasting fireproof battery holder, it is powered by low-voltage batteries, no risk of electric leakage or overheating, ensuring students' safety during science experiments. 5. Reusable Modular Structure: With detachable wooden frame and independent modular electronic parts, it can be disassembled and reassembled multiple times, supports repeated experiments, perfect for school STEM classes, science exhibitions and repeated learning activities. Specifications: Type: STEM Educational DIY Kit / Science Experiment Toy Material: Natural Wood + Electronic Parts (Insulated Copper Wire, Plastic Battery Holder, Circuit Board, Laser Module, Alarm Module) Size: As pictured Color: As pictured Quantity: 1 Set (Contains 2 units: laser transmitter unit + laser receiver alarm unit, plus all required assembly accessories) Note: 1. Please kindly note the photo does not show the actual size, please check the description for detailed size information. 2. Slight dimension deviation may exist due to manual measurement, thanks for your kind understanding. 3. The actual color may differ slightly from the image due to different monitor displays. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.