--- product_id: 5824432 title: "Thermoelectric Generator Demonstration Kit – Peltier Module Seebeck Effect Physics Lab Apparatus with Fan, 4mm Terminals & Dual Water Cups for STEM Energy Conversion Experiments" brand: "lethan corporation" price: "MX$2579" currency: MXN in_stock: true reviews_count: 9 category: "Lethan Corporation" url: https://www.desertcart.mx/products/5824432-thermoelectric-generator-demonstration-kit-peltier-module-seebeck-effect-physics-lab store_origin: MX region: Mexico --- # Thermoelectric voltage output Dual water reservoirs included Heat-to-electricity conversion Thermoelectric Generator Demonstration Kit – Peltier Module Seebeck Effect Physics Lab Apparatus with Fan, 4mm Terminals & Dual Water Cups for STEM Energy Conversion Experiments **Brand:** lethan corporation **Price:** MX$2579 **Availability:** ✅ In Stock ## Summary > ⚡ Turn heat into power — ignite your curiosity with silent energy innovation! ## Quick Answers - **What is this?** Thermoelectric Generator Demonstration Kit – Peltier Module Seebeck Effect Physics Lab Apparatus with Fan, 4mm Terminals & Dual Water Cups for STEM Energy Conversion Experiments by lethan corporation - **How much does it cost?** MX$2579 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/5824432-thermoelectric-generator-demonstration-kit-peltier-module-seebeck-effect-physics-lab) ## Best For - lethan corporation enthusiasts ## Why This Product - Trusted lethan corporation brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Instant Visual Feedback:** Watch the fan spin as the temperature gradient powers mechanical motion. - • **Complete STEM Learning Kit:** Includes dual plastic reservoirs and detailed instructions for hands-on exploration. - • **Harness the Seebeck Effect:** Convert temperature differences directly into electrical energy with precision. - • **Silent, Maintenance-Free Operation:** No moving parts means whisper-quiet, reliable performance for years. - • **Explore Renewable Energy Innovation:** Ideal for professionals and educators eager to demonstrate cutting-edge thermoelectric tech. ## Overview This Thermoelectric Generator Demo Kit transforms heat energy into electrical and mechanical energy using the Seebeck effect. Featuring a thermocouple sandwiched between aluminum conductors, it operates silently with no moving parts. The kit includes two plastic reservoir cups to create temperature gradients, powering a fan to visually demonstrate energy conversion. Perfect for STEM education and renewable energy enthusiasts, it offers a hands-on experience with a technology used in NASA’s Voyager missions. ## Description Thermoelectric generators are devices that convert heat energy directly into electricity — without moving parts, noise, or combustion. This classroom demonstration unit allows students to explore the fascinating physics behind thermoelectric power generation in a clear, hands-on way. At the heart of the device is a thermocouple sandwiched between two aluminum conductors (the aluminum “legs” visible in the product photos). A thermocouple is formed when two dissimilar conductive materials are joined together. When a temperature difference (thermal gradient) is applied across the junction, a voltage is produced through a phenomenon known as the thermoelectric effect. The thermoelectric effect — also called the Seebeck Effect — was discovered by Thomas Johann Seebeck. It occurs when a temperature gradient across conductors generates an electromotive force (EMF). The magnitude of this EMF depends directly on the temperature differential applied. Greater temperature differences produce higher voltage output. 🔥 How the Demonstration Works This smart and engaging demo is designed to be immersed in 2–3 inches of water, with each aluminum “leg” placed into a separate clear plastic cup (2 cups included). If both cups contain water of equal temperature → no voltage is generated. If the cups contain water with a significant temperature difference (hot vs. cold) → the temperature gradient generates electricity and the fan begins to spin. Students can visually observe the direct relationship between temperature differential and electrical output. 📊 Measurement & Data Collection The unit features: 4mm input/output terminals Built-in switch to redirect electricity to a meter Ability to monitor voltage output and temperature gradient This allows students to collect real data, analyze energy conversion efficiency, and explore thermodynamics quantitatively. 🚀 Real-World Applications Unlike traditional heat engines, thermoelectric generators: Contain no moving parts Operate silently Require minimal maintenance They have been used reliably for decades in demanding environments, including deep-space missions such as NASA’s Voyager probes. While thermoelectric generators are typically less efficient than large conventional heat engines, their reliability and durability make them ideal for specialized and remote applications. 🎓 Ideal For Teaching: Thermoelectric Effect / Seebeck Effect Energy Conversion Heat Transfer & Thermal Gradients Electromotive Force (EMF) Alternative & Renewable Energy Concepts Applied Thermodynamics Includes complete instructions and sample student questions to support classroom implementation. A truly fascinating and memorable demonstration device — a must-have for physics classrooms and anyone interested in alternative and renewable energy science. Review: Great demonstration model of Thermoelectric (Seebeck) Effect - I present science demonstrations to homeschoolers and small private schools in my local area and this product is a perfect addition to my collection of science demonstration items. I've uploaded photos showing this item from different camera angles and close up. It will take some time (maybe a minute) for the heat to travel along the aluminum strip from the warm/hot water in one plastic reservoir up to the thermoelectric module sandwiched between the two aluminum strips and, conversely, travel away from the thermoelectric module to the other plastic reservoir which contains ice water. However, if you don't have the patience for waiting you can press the flat side of an ice cube directly to one of the two aluminum strips at the area that the aluminum strip is in contact with the thermoelectric module and the motor will instantly start running! Once you have heated and/or cooled the aluminum strips you can remove the source of hot or cold and it will continue to run the motor until both strips of aluminum approach an equilibrium in temperature and this time can be in minutes depending on the initial temperature difference of hot and cold sources. When demonstrating this to students you should make them aware that thermoelectric power generation has limited applications due to the very low efficiency of converting one form of energy into electricity compared to most all other means of generating electricity including solar (photovoltaic) cells which run around 15% efficiency. A lot more energy was used to make hot water for the hot water reservoir and removed from water to make ice cubes for the cold water reservoir than what you will get back in the form of electrical power from the thermoelectric module. But in cases where there is "free" heat energy, like geothermal (hot underground water sources) or the waste heat from a car engine or the human body this technology can provide enough power to do useful work. Review: One Star - Doesn't work ## Features - Demonstrates the Seebeck Effect (Thermoelectric Effect): Shows how heat energy is directly converted into electricity using a thermocouple and aluminum conductors. Students observe voltage generation created by a temperature gradient. - Clear Hot vs. Cold Water Demonstration: Designed to be immersed in 2–3" of water with each aluminum leg placed in separate cups (2 clear cups included). Equal temperatures produce no output — a strong temperature difference causes the fan to spin. - Built-In Data Monitoring Capability: Features 4mm input/output terminals and a switch to redirect electricity to a meter for measurement. Allows students to monitor voltage output and analyze temperature differential vs. EMF production. - Real-World Energy Application Example: Illustrates the same thermoelectric principles used in deep space probes such as NASA Voyager missions. Silent operation with no moving engine parts — an excellent example of applied renewable energy technology. - Complete Classroom Teaching Kit: Includes thermoelectric generator assembly, fan, two clear immersion cups, and detailed instructions with sample student questions. Ideal for physics labs covering energy conversion, thermodynamics, heat transfer, and alternative energy. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B003FJ6I0Y | | Customer Reviews | 4.0 4.0 out of 5 stars (18) | | Date First Available | April 5, 2010 | | Is Discontinued By Manufacturer | No | | Item Weight | 12.8 ounces | | Manufacturer | Lethan Corporation | | Package Dimensions | 16 x 10 x 3.5 inches | ## Images ![Thermoelectric Generator Demonstration Kit – Peltier Module Seebeck Effect Physics Lab Apparatus with Fan, 4mm Terminals & Dual Water Cups for STEM Energy Conversion Experiments - Image 1](https://m.media-amazon.com/images/I/51tevKJXqoL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great demonstration model of Thermoelectric (Seebeck) Effect *by D***A on June 7, 2012* I present science demonstrations to homeschoolers and small private schools in my local area and this product is a perfect addition to my collection of science demonstration items. I've uploaded photos showing this item from different camera angles and close up. It will take some time (maybe a minute) for the heat to travel along the aluminum strip from the warm/hot water in one plastic reservoir up to the thermoelectric module sandwiched between the two aluminum strips and, conversely, travel away from the thermoelectric module to the other plastic reservoir which contains ice water. However, if you don't have the patience for waiting you can press the flat side of an ice cube directly to one of the two aluminum strips at the area that the aluminum strip is in contact with the thermoelectric module and the motor will instantly start running! Once you have heated and/or cooled the aluminum strips you can remove the source of hot or cold and it will continue to run the motor until both strips of aluminum approach an equilibrium in temperature and this time can be in minutes depending on the initial temperature difference of hot and cold sources. When demonstrating this to students you should make them aware that thermoelectric power generation has limited applications due to the very low efficiency of converting one form of energy into electricity compared to most all other means of generating electricity including solar (photovoltaic) cells which run around 15% efficiency. A lot more energy was used to make hot water for the hot water reservoir and removed from water to make ice cubes for the cold water reservoir than what you will get back in the form of electrical power from the thermoelectric module. But in cases where there is "free" heat energy, like geothermal (hot underground water sources) or the waste heat from a car engine or the human body this technology can provide enough power to do useful work. ### ⭐ One Star *by A***R on April 14, 2016* Doesn't work ### ⭐⭐⭐⭐⭐ Perfect. *by E***H on July 3, 2017* Works perfectly right out of the box. Cold water on one side, hot water on the other, after a few minutes the thermoelectric gradient is transformed into mechanical work and the fan starts to spin. Multimeter ports on the outside allow for easy testing of current volts with a multimeter. Will buy again. Excellent example of the Seebeck and Peltier effects. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.mx/products/5824432-thermoelectric-generator-demonstration-kit-peltier-module-seebeck-effect-physics-lab](https://www.desertcart.mx/products/5824432-thermoelectric-generator-demonstration-kit-peltier-module-seebeck-effect-physics-lab) --- *Product available on Desertcart Mexico* *Store origin: MX* *Last updated: 2026-04-23*