Top Solar Energy Engineering

Upgrade Smart Water Pump Solar Garden Automatic Watering Device Outdoor Plants Self Drip Irrigation Solar Energy Charging Timer System Potted Plant Drip Irrigation for Potted Plants Flower Vegetables

  • ...or energy-saving standby. This device is up to 30%-45% water savings compared to manual irrigation. The precision drip irrigation system delivers just the right amount of water to the roots of the plants slowly and precisely..
  • ✅【High Quality & Adjustable】–The solar garden automatic watering device is made of engineering plastic ABS, the watering timer is wear-resistant, high temperature resistant, corrosion resistant, sun-proof, durable and has long service life. Adjustable water volume means that plants can be irrigated appropriately, will not let plants die due to over-watering, and can make plants grow better. Making your dipper system ideal for water saving in dry conditions..
  • ✅【Solar or USB charging】–Running this drip watering system from solar panel or USB connection power. Solar power generation using solar panel design timer, can absorb solar energy as a power source, energy saving and environmental protection, the rechargeable battery may be fully charged. Rain proof, low power consumption, more energy saving standby..
  • ✅【Easy to Install & Widely Applications】–The garden drip kit do not need for digging or plumbing skill, Just follow the instruction to insert fittings and dripper, set the watering time and cycle time, the....
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DP Disney Parks Beauty and The Beast Belle Enchanted Rose Light Up Musical Spinner

  • The model's circuit connection is easy to operate, no soldering required. Detailed assembly instructions included..
  • This kit includes all the parts necessary to build one solar-powered mars rover model..
  • Perfect for a young scientist with an interest in mechanics and ecological engineering and green enery..
  • Learn how sunlight is converted to electrical energy, and how electrical energy converted to mechanical energy..
  • Fun and educational scientific gift for school STEM education projects..
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Mini Food Grade Brushless Water Pump Waterproof Submersible Water Pump Pond Pump 12V DC 5W for Fish Tank Water Feature Aquarium Fountain Medical Instruments

  • ★High quality:This water pump adopts food grade material, healthy for water drinking and no threat of electric shock. The brushless water pump uses food grade materials for healthy drinking water without the threat of electric shock. High quality engineering plastic materials are manufactured, durable, stable in operation during work. With steady speed control circuit technology, the flow is very stable..
  • ★Energy saving: Low power consumption, its power is only 5W, helps save electricity. Energy-saving with low noise and long service life, eco-friendly and energy-saving. It can be used for drinking fountain, juicer, small fish pond, solar system and so on..
  • ★Widely use: Widely used for aquarium, fountain, small fish pond, solar system, radiators, water circulation system, medical equipment, Juice, coffee machines, beverage machines, filling machines, water dispenser and so on.etc.
  • ★Easy to install: Compact size, Can be installed in the inside/outside of the water. And the pump is perfect for the family home thermal solar systems or any circulation pump application.For indoor and outdoor use, sustain heave duty work for 24 hours..
  • ★humanized design: Compact sizeLightweight and compact design, easy and convenient to install.The pump humanized des....
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UUSTAR Stem for 8-10 Year Old Boys and Girls, 13-in-1 Education Solar Robot Toys Solar Powered by The Sun|DIY Building Science Experiment Kit for Kids, Gifts for 8-12 Year Old Boys and Girls

  • ...ered by the sun and no batteries required, the robot kit includes a solar power panel that collects solar heat energy into an electric energy drive motor, which drives the gears to make the machine run smoothly..
  • 【STEM Educational Toys】The science kits are designed to enhance your children's science, technology, engineering and math skills. Its strong practical ability, which has cultivated the spirit of scientific exploration with the help of parents..
  • 【DIY for Creation Robots】Kids STEM solar robot -robots provide with step by step instruction book, stickers and all the pieces that make the robot. Its include guide for 13 robot designs in details from level 1 to level 2, easy to build as guide step by step. It's fit for aged 8-12 boys and girls, great robot toys encourage child to learn through play..
  • 【Gifts for 8-12 Year Old Kids】Best gifts for 8-12 year old boys or girls. Our solar robots toys are made of harmless and non-toxic ABS material, which are more sturdy and durable. It’s a ideal educational gift for you kids who love build robots..
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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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WAKAKA 2 Pack Solar Meteor Shower Lights Outdoor, White Meteor Lights 11.8in 16 Tubes 288 LED, Falling Raindrop Fairy String Lights Solar Christmas Lights for Tree Wedding Party Xmas Halloween

  • ...ar Rain drop Lights】Meteor Shower Valentines lights good for any occasions. Decorating in a small tree, look like little bombs coming down from the sky, very rich in colour and the motion is absolutely eye catching. They are perfect to decorate trees along street/park/ river, hang along the roof, great for market engineering lighting, urban and architectural beautification. Ideal for patio, yard, garden, hotel hall, shopping mall Valentines Day decoration.
  • What You Get: 2 * 11.8 inch 8 Tubes White solar meteor shower rain lights, 2*stake, 2*stand,quick and friendly customer service.
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STEM 13-in-1 Solar Power Robots Creation Toy, Educational Experiment DIY Robotics Kit, Science Toy Solar Powered Building Robotic Set Age 8-12 for Boys Girls Kids Teens to Build

  • ...re made with non-toxic ABS materials for long lasting, parts are smooth without raw edge, ensuring kids play safer and reassure parents. Great robot toys encourage your child to learn through play, teach children to use environmentally friendly solar energy instead of electric energy..
  • Working by Solar Power Engine: Engineering toys cover a wide range of educational subjects and put a strong emphasis on child's overall development. Future engineers will have endless fun building, rebuilding, and learning about solar power, enable children use their infinite imagination to to complete assembly and enjoy countless of hours of fun..
  • Educational and Creative Toy: It is a nice STEM robot kit to inspire kid's imagination and creativity, from simple to complex levels, exercising your kid's problem solving and hands-on ability. Makes the perfect parents and children team project. Enrich your child’s mind with the interactive challenges of building their own robots!.
  • Ideal Gift for Kids: The solar robot kits will be packaged in a exquisite gift box, it is a ideal educational gift for you kids on Birthday, Christmas Day, Children's Day and other special days. Suitable for boys and girls 6 year olds and up. The pieces are designed for small hands, and easily fit....
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Science Kits for Kids / Adults, 12 in 1 Solar Robot Kits for Kids 10-12, Stem Toys for 8, 9, 10, 12 Year Old Boys, DIY Building Toys Gifts for 8, 9, 10, 11, 12 Year Old Boys / Girls with Solar Power

  • ..., 8, 9, 10, 11, 12, 13 boys / girls and adult!.
  • Easy to Assemble: Science Kits for Kids 10-12 comes with a detailed user manual, stickers and all the pieces that built the robot. Kids can experience the joy and accomplishment brought by continual conquest, which helps kids develop an interest in science, technology, engineering, crafts, and robotics..
  • Ideal Gifts for Kids / Adults: 12 different robots that it can move on land or water for your child to build them with you, which makes it a great family interaction game for parents and kids. If the solar robot is what your child loves to do, the CPSYUB has them covered. This boys toys are specially designed for age 6, 7, 8, 9, 10, 11, 12, 13 boys and girls!.
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DIY Science Kits for Kids - 3 STEM Educational Building Projects Craft Kit - Solar Circuits Car and Fairy Nightlight Lantern and Machine Caterpillar

  • This science kits is designed for children's STEM education. Covering knowledges about Science, Technology, Engineering, and Math skills..
  • Detailed assembly instruction manual, it's easy to build the 3 projects with step by step..
  • Scientific gift for girls and boys: They can learn about solar energy conversion, and create science projects builds with their own hands, learning....
  • 3 Kits: Fairy nightlight lantern craft kit, Solar car building kit, Machine caterpillar robotic kit..
  • Great choice as the children's craft work for school DIY project..
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CIRO Solar Robot Science Kit Educational Toys for Kids Beginners STEM Learning Building Toys for Boys Girls

  • 6 in 1 Solar Power Model: 6 different innovative building models, includes Robot, Airboat, Plane, Windmill, Helicopter, Wheeler. Foster children’s....
  • Simple To Do for Aged 8+: Step by step easy to follow instructions to complete each build included in instruction manual. Recommended for kids aged 8....
  • Powered By The Sun: These models are powered by direct sunlight. NO BATTERIES REQUIRED. Teach children to use environmentally friendly solar energy....
  • STEM Educational Toys: Our Engineering Toys cover a wide range of educational subjects and put a strong emphasis on child's overall development. We....
  • Safety: All pieces are sturdy and durable, which are made of premium quality harmless and non-toxic ABS plastic. No burrs, no harm to little hands.....
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LED Rechargeable Flashlight Handheld Solar Outdoor Flashlights 7200mAh Power Bank Emergency IPX5 Water Resistant Solar Lights USB Charger for Hiking camping

  • ... 5V DC output port.charge multiple devices at the same time. You don’t have to worry about power issues when outdoor, it provides convenience for your outdoor activities..
  • Water Resistant and Rugged Design: LED Flashlight designed for a longer lifespan while saving energy. This flashlight is made of high-intensity engineering ABS plastic, explosion-proof, dustproof, and shockproof. IPX5 water-resistant protects it from splashing water from all angles, suitable for outdoor environment, adverse weather conditions..
  • Multi-Functional Light for Home and Outdoor: It can also be used as, floodlight, camping light, emergency home lamp, fishing, survival, yacht, and boat searchlight.We have absolute confidence in our products. If you're not satisfied, simply contact us and get a full refund even the Amazon return window is closed..
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OSALO Desktop Calculator Extra Large Display 12 Digits Big Buttons Solar Accounting Calculator for Office (OS-200ML)

  • ... display calculator is especially suitable for seniors, accountant, sales or other businessmen who works in office, shop, market, etc. 12 digits and 00 buttons meet the requirements of large number calculation..
  • 【ABS plastic】 The calculator is made of high-strength ABS engineering plastic. Light but durable. Its strong material and structure can with stand multiple knocks and even non slip falls off from the table. Its buttons are in clear colors..
  • 【Solar & Battery power】 The calculator is solar-powered, so that operation is guaranteed even in poor lighting conditions. Comparing to other common calculators in the market, its solar panel can absorb more energy and last longer to support the calculator working..
  • 【Auto Power Off】 With a superior chip, it will auto power off after 8 minutes when you extend the battery life while reducing power consumption. With the auto power-off function, you don’t need to worry if you usually forget to turn off the machine and worry about the energy consumption..
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