# Engineering kit 4M 4M Green Science Salt-Powered Truck

**URL:** https://aio.lv/en/product--4m-4m-3225--948642
**Data updated:** 2025-12-10 00:53 (EET)
**Category:** Board Games
**Manufacturer:** 4m
**Manufacturer code:** 4M-3225
**EAN:** 4893156032256
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 9.08 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--4m-4m-3225--948642

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

The 4M Green Science Salt-Powered Truck is an innovative engineering kit designed for children aged 5 and up. It uses saltwater as a power source, promoting eco-friendly learning. The kit includes all necessary components to build a functional truck, encouraging creativity and problem-solving skills. Its blue color adds a fun touch to the educational experience.

## Long description

Build this truck and prepare its battery for action. Add a small amount of salty water to the designated compartment and observe the truck move as the simple electrochemical reaction powers its motor. The set combines hands-on assembly with a visible demonstration of how a battery can generate electricity using salt water.
Advantages
The kit provides a clear, educational demonstration of basic electrochemistry and renewable-source concepts without requiring traditional dry-cell batteries. Assembly develops fine motor skills and basic technical understanding. The model is compact and suitable for classroom demonstrations or individual exploration.
Key specifications
Includes parts to build a toy truck and a battery compartment
Operates using salt water as the electrolyte
Requires assembly
Designed for demonstration and educational use
How to use
Assemble the truck following the provided instructions until the battery compartment is in place. Prepare a small quantity of salt water and pour it into the indicated area. Ensure connections are secure, then place the truck on a flat surface and release it to observe movement powered by the salt-water battery. After use, empty and dry the compartment to prevent corrosion.
Recommendations
Use ordinary table salt and room-temperature water. Supervise children during assembly and operation. Do not ingest the salt solution and avoid prolonged exposure of metal parts to moisture.

## Specifications

| Feature | Value |
|---|---|
| Power source | Saltwater |
| Product colour | Blue |
| Package depth | 60 mm |
| Package height | 220 mm |
| Package width | 220 mm |
| Manual | Yes |
| Package type | Box |
| Product type | Engineering kit |
| Theme | Engineering |
| Master (outer) case gross weight | 12300 g |
| Adult assistance recommended | Yes |
| Suggested gender | Boy |
| Batteries required | No |
| Recommended age (min) | 5 yr(s) |
| EU TSD warning | To be used under direct adult supervision, Small parts. Choking hazard, Not for children under 36 months |
| Learning approach | STEAM |
| Learning subjects | Science, Engineering |

## FAQ

### How much does the Engineering kit 4M 4M Green Science Salt-Powered Truck cost, and is it available for purchase?

The price is 10.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 60 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 07.07.2026 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 4m 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 4m 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

### Where can I download the instructions for Engineering kit 4M 4M Green Science Salt-Powered Truck?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/948642/65616744_large.webp