# Extra Digital Wooden Assembly Kit Hand-Crank Power Generator STEM Educational Toy

**URL:** https://aio.lv/en/product--extra-digital-nv823079--12480608
**Data updated:** 2026-05-22 07:18 (EEST)
**Category:** Educational Toys & Puzzles
**Manufacturer:** extra digital
**Manufacturer code:** NV823079
**EAN:** 9990000823079
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 9.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 8.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--extra-digital-nv823079--12480608

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 25.06.2026 | free |
| Pickup points | 30.06.2026 | 1.99 EUR |
| Courier delivery to door | 30.06.2026 | 4.99 EUR |

## Summary description

This Extra Digital wooden assembly kit allows users to build a functional hand-crank power generator. Designed as a STEM educational toy, it provides a hands-on learning experience about electricity, mechanics, and renewable energy. The kit includes all necessary wooden parts for assembly, making it an ideal tool for students and hobbyists interested in science, technology, engineering, and mathematics projects.

## Long description

The Extra Digital Wooden Assembly Kit Hand-Crank Power Generator is an engaging STEM educational toy designed to teach children and students the fundamental principles of physics and renewable energy. By assembling this functional model, users gain a practical understanding of how mechanical energy is converted into electrical energy. As the handle is turned, a system of gears and pulleys drives the generator, causing the integrated LED light to illuminate, providing an immediate and rewarding visual demonstration of electromagnetic induction.
Advantages
This construction kit serves as a versatile tool that combines play with scientific discovery. The assembly process encourages the development of fine motor skills and precision, while the testing phase reinforces cause-and-effect relationships. The model is crafted from high-quality, non-toxic, laser-cut wood, ensuring durability and safety during use. Because the parts are designed for assembly without the need for glue, the kit is user-friendly and allows for customization, such as painting or varnishing. It is an excellent resource for both independent home learning and structured classroom activities, fostering an interest in science, technology, engineering, and mathematics.
Suitable for
STEM education projects in schools and classrooms
Hands-on learning at home for children aged 8 and above
Demonstrating the conversion of mechanical energy to electricity
Developing fine motor skills through model building
Science fair projects and educational workshops
When it may not be suitable
This kit is not suitable for children under the age of 3 due to the presence of small parts that pose a choking hazard. Additionally, it may not be appropriate for individuals seeking a high-power energy source, as this device is intended strictly for educational demonstration purposes and produces only enough electricity to power the included LED.
Key specifications
Material: Non-toxic laser-cut wood, metal, and plastic
Power source: Manual hand-crank generator
Dimensions: 195 x 120 x 40 mm
Weight: 70 g
Recommended age: 8 years and older
How to use
To begin, organize all components provided in the kit, including the wooden parts, gears, motor, and wiring. Follow the included manual to assemble the frame and mechanical drive system. Once the structure is complete, connect the motor to the LED light using the provided wires and connection buckles. Ensure all gears are aligned correctly to allow for smooth rotation. Once assembled, simply turn the handle to observe the conversion of mechanical energy into light. If the light does not turn on, check the wire connections and ensure the gears are engaging properly.
What to consider before purchase
Ensure the child meets the minimum age requirement of 8 years
Verify that the workspace is clear for assembly
Consider that adult supervision may be helpful for younger children during the initial assembly
Note that the model is intended for educational demonstration rather than practical power generation
Usage recommendations
For the best experience, ensure that the gears are free of debris and rotate smoothly. You may customize the wooden components with paint or markers before final assembly to personalize the project. Always store the assembled model in a dry place to maintain the integrity of the wooden parts.

## FAQ

### How much does the Extra Digital Hand-Crank Power Generator STEM Assembly Kit cost, and is it available for purchase?

The price is 9.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 25.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All extra digital products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized extra digital service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12480608/68803761_large.webp