Top Engineering Solar Collector

Tomons Solar Robot Kit 12 in 1 Science STEM Robot Kit Building Toys for Kids Aged 8-12 and Older,DIY Science Experiments Robot Toys Gift for Boys, Solar Powered by The Sun

  • ...s with 190pcs easy-build pieces parts & accessories.The detailed instruction book will tell kids how to build the 12 robot toys step by step. Kids need to imagine and think more to build the robots, it is not so easy. So it can increase confidence when it succeed..
  • 【STEM Educational Toys】: This Construction Engineering Science toys will teach children how to engineer a robot that uses solar power. Perfect toy to encourage learning mechanics and engineering in young children,which helps children build a solid foundation in Science, Technology, Engineering and Mathematics at an early age..
  • 【12 different types of robots】: 12 different building robots which can move on land or water for your child to build, STEM Toys Robot Science Kits for Kids 10-12 Year Olds Gifts help kids develop manual dexterity,problem solving skills,improve logical thinking,self-confidence and promotes the importance of teamwork.Stem toys for 10-12 year olds..
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MISOL 110V controller of solar water heater, used for separated pressurized solar hot water system

  • 110v controller for the solar hot water heating system suitable for 1 collector array * 1 storage tank * 1 pump and auxiliary heating.
  • Appearance of controller 187mm*128mm*46mm.
  • 3 Temperature sensors (1 x pt1000, 2 x NTC10K).
  • Accuracy of temperature measuring: +/-2 Cel. Degree.
  • Range of collector temperature measuring: -10-220 Cel. degree Range of tank temperature measuring: 0-110 Cel. Degree.
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STEM Solar Robot Kit for Kids, Science Kit Educational Toys Solar Power Building Kit DIY Assembly Gift for Boys and Girls Aged 8-12

  • 6 in 1 Solar Power Kits: Build 6 different types of robots: Solar puppy , Solar Windmill， Solar Revolving plane, Solar Airboat, Solar Car. It helps children build a solid foundation in Science, Technology, Engineering, Crafts..
  • No Battery Required: These kits are powered by sun or a light bulb (100W&Up). Help your boys and girls to increase the Interests for scientific exploration..
  • Easy to Build for Kids: Step by step to follow instructions to complete each robot. It's easy for child to build their own robot with parts and accessories. Recommended for kids aged 8 +..
  • STEM Education Toy: Boost kids' confidence, patience and hands-on skills. These science solar robot kits allow children to explore and learn fundamentals of science through play. Meanwhile, it promotes kids to develop hand-eye collaboration and teamwork spirit..
  • Ideal Gift: Playing is all children’s nature, and nothing is better than a DIY toys that allows the child to enjoy playing and learning..
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Smartpool S601P SunHeater Solar Heating System for In Ground Pool (Renewed)

  • Keep your pool warm with a polypropylene heat collector. Direct Flow System – One Header Hole for Each Heating Tube.
  • Solar heater features 80 square feet of solar panels.
  • Pool accessory is perfect for heating any in-ground swimming pool.
  • Panel array measures 4 feet wide x 20 feet long. Raises Pool Water Temperature 6-10°F (4-6°C).
  • Installation kit required (Sold Separately).
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Desktop Calculator Extra Large 5-Inch LCD Display 12-Digit Big Number Accounting Calculator with Giant Response Button, Battery & Solar Powered, Perfect for Office Business Home Daily Use(OS-6815)

  • 【5 Inch LCD Display&Large Button】When you put the calculator on the desktop, the 30°large display is just opposite your sight, more clear than a straight display. Large and separated keys, make your every press more accurate..
  • 【Large Accounting Calculator】Silver panel with orange,blue and gray color buttons,vibrant color matching.The functions on the panel meet the needs of your accounting work and daily used..
  • 【ABS Engineering Plastic】This calculator is made of ABS high strength engineering plastics, light weight but durable. It can withstand the impact of falling on the height of the desktop for several times..
  • 【Solar and Battery Supply】The calculator uses high conversion rate solar panels,solar power can be used in well-lit areas.At the same time, we provide matching battery（included one AA battery）double safe uninterruptible power.The calculator will shut down automatically after 8 minutes without operation..
  • 【Use Occasion】This calculator is suitable for all occasions.Fit for everyone using in school, office, home and supermarket. As a gift for children, parents and friends is also a good choice..
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STEM 4WD car DIY Climbing Vehicle Motor car Educational Solar Powered car Engineering car for Kids,Assembly Gift Toy Circuit Building Projects Science Experiment,Building Toys

  • STEM LEARNING TOYS- Science, Technology, Engineering and Mathematics.
  • rather than teach the four methods as separate and individual subjects, STEM consolidates them into an interconnected learning standard based on real-world applications.You can learn the knowledge by play and enjoy it.
  • DIY TOYS:DIY building block includes simple fastening, screwing assembly and simple wiring to complete assembly. To train kid’s ability to think independently, solve problems with hands and brain.
  • CLIMBING ENGINEERING VEHICLE:This is a 4WD car model,changing the rivet positions in the angle adjuster will change it’s height,and climbs over obstacles up to 50 mm with easy.
  • SCIENCE KIT WITH TOW KINDS OF MODE:1 Requires one R6/AA/UM3 battery.(Battery not included) 2. Power from solar energy.
  • SOLAR TOY CAR,POWERED BY THE SUN – With alternative energy playing such a pivotal role, there is no better time than now to start children on the path to learning basic concepts behind cars and renewable energy resources. Fortunately, this product is powered by the sun, the solar powered car moves in the direct sunlight ,so there are no batteries required. The car moves in the direct sunlight and allows kids to create and use their infinite imagination.
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Lion Energy 12V DIY Solar Power Kit with 400W Inverter

  • ...: This science toys will teach children how to engineer a robot that uses solar power, while help to develop manual dexterity,problem solving skills, improve logical thinking,self-confidence and promotes the importance of teamwork & collaboration. It is also a perfect toy to encourage learning of mechanics and engineering in young children,enhance your children's Science, Technology, Engineering, and Math skills..
  • ✔✔【DIY for CREATION】: Improve your child's imagination and creativity by challenging them to build their own robots with 190 easy-build pieces parts & accessories. We include guide for 12 robot designs in details from level 1 to level 2, easy to build as guide step by step.It's fit for boys and girls aged 8-10 and older, great robot toys encourage your child to learn through play..
  • ✔✔【Ideal gift 】: All pieces are sturdy and durable, which are made of premium quality harmless and non-toxic ABS plastic. Great gift for birthday| |Children's Day| Christmas| Chanukah| Easter| STEM| summer camp activities| back to school..
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Morningstar - Tristar 45A Solar Charge Controller for 12V/24V/48V Batteries, Lowest Fail Rate in The Industry, Built-in Diagnostics, (TS-45)

  • ...stallation or user errors. Custom programmability, with or without a PC. Data logging- up to 256 days worth.
  • LOWEST HARDWARE FAILURE RATE IN THE INDUSTRY, BACKED BY A FIVE-YEAR WARRANTY: Most Morningstar products ever built are still in use, some for over 25 years, thanks to smarter digital design, superior internal engineering, and over-spec components.  Advanced thermal engineering eliminates cooling fans which can fail, suck in dirt, shorten component life and waste precious solar electricity.  Industrial-strength build quality inside and out, right to the controller’s steel exterior casing.
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Fafco 820-FAFCO 4 X 10 Foot SunSaver Solar Powered Panel Pool Efficient Heating System with Patented Metering System and Flow Chamber

  • SOLAR HEATING: Easily heat up your above-ground swimming pool with environmentally-friendly solar panel.
  • CONSISTENT HEATING: Eliminates hot and cold spots with a patented metering system for consistent heating throughout.
  • MAXIMIZE CIRCULATION: Flow chamber and flow metering holes between header pipes and collector tubes maximize circulation and heating efficiency.
  • SAVE MONEY: Save on pool heating cost as environmentally-friendly heating panel takes the unnecessary strain off your pool pump.
  • VERSATILE INSTALLATION: Includes 1 4-foot-wide by 10-foot-long Solar Pool heating system that can be mounted on the roof or on the ground.
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Desktop Calculator Large LCD Display 12 Digit Number Big Button Tax Financial Accounting Calculator, Battery and Solar Powered, for Desk Office Home Business Use(OS-130T Brown)

  • ...olar and battery both provide energy for the calculadora. When the battery runs off, solar panel will provide back-up energy for you to use the calculator, keep you away from embarrassment. It will turn off automatically after 8 minutes when stop using, prolong battery's life, while reduce power consumption..
  • 【ABS Engineering Plastic】This 12 digits calculadora is made of ABS high strength engineering plastics, light weight but durable. It can withstand the impact of falling on the height of the desktop for several times..
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Voltset Solar Powered Fan, 15W Pro Solar Panel IP65 Waterproof with Solar Exhaust Fan for Greenhouse, Shed, Chicken Coop, Pet Houses, Outside

  • ...els and a powerful motor. This solar powered fan promotes air circulation, reduces indoor temperature, and removes dust to keep your indoor environment cooler and cleaner..
  • 【High-Speed Airflow & Low Noise】 This solar exhaust fan with upgraded enhanced blades and an engineering generator maximizes airflow at high speed with low noise. The solar fans can circulate air at speed of 2022 RPM, with an air volume of 326 CFM, and low noise of 36 dB. The DC 12 volts and double ball bearing provide efficient operation and durability..
  • 【Wide Application】This solar fan can be applied on various occasions and is a perfect ventilation solution for the greenhouse, chicken coop, shed, pet house, outside, outdoor travel, and more. Please do not contact the interface directly with water..
  • 【Quality Material】 This solar panels fan is made of an aero-grade aluminum shell and high-strength tempered glass, the main frame and blades are made of upgraded ABS protection material and equipped with a double-layer metal, is corrosion-resistant, and can withstand harsh weather conditions. And the solar fan is also fire and rust-proof and....
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Desktop Calculator Large LCD Display 12 Digit Number Handheld Portable Pocket Basic Calculator with Big Soft Sensitive Button, Battery and Solar Powered, for Office Home School Use(OS-6M)

  • ...olar and battery both provide energy for the calculadora. When the battery runs off, solar panel will provide back-up energy for you to use the calculator, keep you away from embarrassment. It will turn off automatically after 8 minutes when stop using, prolong battery's life, while reduce power consumption..
  • 【ABS Engineering Plastic】This 12 digits calculadora is made of ABS high strength engineering plastics, light weight but durable. It can withstand the impact of falling on the height of the desktop for several times..
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