# Book — Ei System: Harmonijny rozwój Przyroda i czas (MPN 419575, Polish language)

**URL:** https://aio.lv/en/product--ei-system-419575--11894743
**Data updated:** 2026-03-10 00:16 (EET)
**Category:** Textbooks & Study Guides
**Manufacturer:** Ei System
**Manufacturer code:** 419575
**EAN:** 9788365418142
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 162.49 €
**Prices and availability valid until:** 2026-07-10 23:59
**Price without VAT (21%):** 134.29 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ei-system-419575--11894743

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

Harmonijny rozwój Przyroda i czas is a book published by Ei System (MPN 419575, EAN 9788365418142) in Polish. The title suggests content on nature and time; the product is a printed educational or informational book suitable for study, classroom use, or personal reading. Use it for learning topics related to natural sciences, chronology, or thematic curricula where Polish-language materials are required.

## Long description

Harmonijny rozwój Przyroda i czas is a printed Polish-language book published by Ei System that covers themes related to nature and the concept of time. Designed as educational or informational material, the book presents content suitable for classroom use or independent study. The text and structure are intended to support learning in natural science topics and temporal concepts, with language and examples adapted for Polish readers.
Advantages
This Polish-language publication provides concentrated material on natural phenomena and temporal relationships in a format appropriate for students and educators. The printed edition offers easy reference during lessons and study sessions, while the publisher's educational focus ensures that content aligns with curricular needs. The book's format supports reading comprehension, discussion, and integration into lesson plans where Polish-language resources are required.
Suitable for
 Classroom use in Polish-language natural science or environmental studies courses
 Independent study by students preparing for lessons or examinations
 Teachers and educators seeking Polish teaching aids on nature and time concepts
 Library collections serving Polish-speaking learners
Key specifications
 Language: Polish
 Format: Printed book
 Publisher: Ei System
 Subject focus: Natural sciences, concepts of time, educational content
How to use
Use this printed book as core or supplementary reading in lesson plans, assigning chapters or sections for classroom discussion, homework, or project work. Students can read selected passages for comprehension exercises, timeline activities, or thematic reports. Educators can extract examples and exercises to illustrate natural processes and temporal relationships during presentations or group work. The physical format allows easy annotation, note-taking, and reference during instruction.
Usage recommendations
For classroom integration, pair chapters with hands-on activities, field observations, or timeline projects to reinforce concepts. Use the book alongside laboratory exercises or multimedia resources to provide varied learning modalities and support different student needs.

## FAQ

### How much does the Book Ei System Harmonijny rozwój Przyroda i czas cost, and is it available for purchase?

The price is 162.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 03.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Book Ei System Harmonijny rozwój Przyroda i czas be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 Ei System 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 Ei System 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

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