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Nightbreeze Hand Crank Generator for Physics & Science Labs – Energy Conversion Teaching Apparatus with LED Bulbs – Classroom Demonstration, School Science Education, Output DC 1-12V

Nightbreeze Hand Crank Generator for Physics & Science Labs – Energy Conversion Teaching Apparatus with LED Bulbs – Classroom Demonstration, School Science Education, Output DC 1-12V

$28.05 USD
$28.05 USD
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About this item

  • 【Enhanced DurabilitPurpose-Built for Physics & Science Classrooms】 This hand crank generator is designed for physics experiments, science labs, and school education. It clearly demonstrates mechanical-to-electrical energy conversion, helping students intuitively grasp concepts such as energy transfer, electromagnetism, and basic circuit principles.y and Efficiency: To make this little hand generator more durable and improve its power generation efficiency, we use two ball bearings, and apply lubricating grease.
  • 【 Complete, Ready-to-Use Experiment Apparatus】 The kit includes one hand crank generator, three bright LED bulbs, and connection wires – everything needed for an immediate classroom demonstration. No batteries required; simply turn the handle to generate electricity and light up the LEDs, perfect for teacher-led demonstrations hands-on physics demonstrations.
  • 【Smooth, Quiet & Effortless Cranking】 Engineered with dual ball bearings and lubricating grease, this generator offers low-resistance, whisper-quiet operation. You can turn the handle easily to achieve high LED brightness, making it suitable for repeated classroom use without causing distraction or fatigue.
  • 【Safe, Low-Voltage Teaching Apparatus】 The generator outputs approximately 1-12V DC (no-load) depending on cranking speed. This voltage range is safe for users handling and is ideally suited for low-power circuit experiments, such as illuminating small bulbs and LEDs. Please note: it is a physics teaching tool and is not designed to charge phones, batteries, or power professional equipment.
  • 【Expandable Two-Unit Demo (Requires Two Generators)】 For an even more effective physics demonstration, purchase two units and connect their output wires. When you crank the first generator, the second generator’s handle will spin automatically—faster cranking creates faster spinning, and reversing the direction instantly reverses the second handle. This vividly shows how a DC generator and motor are essentially the same device, making abstract concepts like energy conversion and motor reversibility tangible for users. (Watch the video for details)

Overview

  • Brand: nightbreeze
  • Wattage: 10 watts
  • Fuel Type: Human power
  • Power Source: Human power generation
  • Recommended Uses For Product: Energy Conversion Teaching, Physics Classroom Demonstration, School Laboratory Equipment, School Science Experiment, Science Project Basic Circuit Experiment Interactive Learning Tool Teaching Aid for Physics Teachers Energy Conversion Teaching, Physics Classroom Demonstration, School Laboratory Equipment, School Science Experiment, Science Project Basic Circuit Experim… See more
  • Voltage: 12, 12 volts_of_direct_current
  • Output Wattage: 10
  • Special Feature: Easy-to-Crank for users, Pre-assembled Demo Kit with LED Bulbs, Torque-Sensitive Low-Speed Design, Energy Conversion Clearly Visible Easy-to-Crank for users, Pre-assembled Demo Kit with LED Bulbs, Torque-Sensitive Low-Speed Design, Energy Conversion Clearly Visible
  • Included Components: one hand generator, three LED light beads, and clip cord
  • Product Dimensions: 3.3"L x 2.3"W x 3"H

Low stock: 10 left

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Reviews

  • ⭐⭐⭐⭐⭐

    Hannah Miller — Seattle, Washington
    I ordered several science activity supplies for projects at home. The product descriptions made it easier to compare the available options, and everything fit neatly into our learning space. Stemora made finding tools for hands-on activities feel simple and organized.

  • ⭐⭐⭐⭐⭐

    Daniel Foster — Austin, Texas
    I found a useful selection of electronics and robotics accessories for a beginner project. It was convenient to browse related components in clearly organized categories. I would consider shopping here again when planning another maker activity.

  • ⭐⭐⭐⭐⭐

    Lauren Bennett — Denver, Colorado
    The measurement and observation tools I selected worked well for the classroom activities I had planned. I especially appreciated being able to review the product details before ordering and choose items that matched the lesson requirements.

  • ⭐⭐⭐⭐⭐

    Jason Parker — Portland, Oregon
    I purchased a few storage items and small tools for organizing my maker workspace. The products helped keep components, wires, and project materials easier to sort and access. The overall shopping experience was straightforward and convenient.

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FAQ

What types of products does Stemora offer?


Stemora offers supplies for science experiments, microscopy, biology learning, measurement, laboratory organization, electronics, robotics, coding education, 3D printing, maker projects, and classroom activities. Available products and specifications may change over time.

Are Stemora products suitable for children?


Recommended ages vary by product. Please review the product description, manufacturer guidance, included warnings, and required skill level before purchasing. Products containing small parts, tools, electrical components, glass, or chemicals may not be suitable for young children.

Is adult supervision required?


Adult supervision is recommended for children and students, especially when using electrical components, sharp tools, heated equipment, glassware, small parts, or experiment materials. Customers are responsible for following all product instructions and safety precautions.

Can these products be used at home and in classrooms?


Many products may be suitable for classrooms, home learning, science projects, maker spaces, and hobby activities. Suitability depends on the specific product, learning environment, user experience, and intended activity.

How can I check what is included with a product?


Please review the product title, description, specifications, images, package quantity, and included-components section before ordering. Items shown for demonstration or scale in product images may not always be included.

How do I know whether an electronic or robotics part is compatible?


Check the listed dimensions, voltage, connector type, board compatibility, operating requirements, and supported platforms. Compatibility is not guaranteed unless it is specifically stated on the product page. Contact us before ordering if you need clarification.

When will I receive tracking information?


Tracking information is generally provided within 3–5 business days after an order is confirmed. In some cases, processing may take approximately 7–8 business days. Delivery may require an additional 4–5 business days after tracking becomes available, depending on the carrier and destination.

Why did my order arrive in separate packages?


Products in the same order may be shipped from different fulfillment locations. As a result, items may arrive separately and have different tracking numbers. You will not be charged additional shipping fees solely because an order is divided into multiple packages.

Can I change or cancel my order?


Contact us as soon as possible at vaioamaonaoak@gmail.com. We will try to assist, but changes or cancellations cannot be guaranteed once an order has entered processing or has been shipped.

What should I do if an item arrives damaged, defective, or incorrect?


Contact us promptly at vaioamaonaoak@gmail.com with your order number, a description of the issue, and clear photographs of the item, packaging, and shipping label. Please retain the product and original packaging while we review your request. Eligibility and available resolutions are subject to our Return & Refund Policy.

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