# Puzzle book Czas Seniora Sudoku 4x4 — Czas Seniora, 4x4 Sudoku grids

**URL:** https://aio.lv/en/product--czas-seniora-473184--12019186
**Data updated:** 2026-03-11 20:54 (EET)
**Category:** Educational Toys & Puzzles
**Manufacturer:** Czas Seniora
**Manufacturer code:** 473184
**EAN:** 9788395434402
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 9.99 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 8.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--czas-seniora-473184--12019186

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Czas Seniora Sudoku 4x4 is a puzzle book from Czas Seniora featuring 4x4 Sudoku grids designed for leisurely mental exercise. The book contains multiple small-format Sudoku puzzles that focus on basic logic and number placement in a 4x4 layout, suitable for seniors or beginners seeking low-complexity brain training and daily cognitive practice.

## Long description

Czas Seniora Sudoku 4x4 — Czas Seniora, 4x4 Sudoku grids is a compact puzzle book containing multiple 4x4 Sudoku puzzles designed to provide low-complexity mental exercise. The format focuses on basic logic and number placement within a reduced grid, making it suitable for readers who prefer shorter, easier puzzles and steady daily cognitive practice. The book is presented in a small, easy-to-handle format intended for comfortable use at home or on the go.
Advantages
This puzzle book offers a simple, approachable Sudoku format with 4x4 grids that reduce visual clutter and complexity compared with standard 9x9 puzzles. The smaller grid size encourages focused reasoning and quick completion times, which can support routine mental activity without causing fatigue. The compact page layout and clear numerical entries make the puzzles accessible to beginners and older adults seeking gentle brain training.
Suitable for
Seniors looking for low-complexity brain exercises
Beginners learning Sudoku rules and strategies
Daily short cognitive practice sessions
Travel or pocket-sized leisure activity
Key specifications
Grid type: 4x4 Sudoku format
Puzzle difficulty: low — basic logic and number placement
Format: small-format puzzle book designed for handheld use
Number of puzzles: multiple small-format grids (varied quantity per book layout)
How to use
Open the book to any page and select a 4x4 grid. Fill each row and column with the digits required by the puzzle rules so that each digit appears only once per row and column. Use pencil for trial entries and erase when adjusting placements. Work at a comfortable pace, taking breaks as needed. The reduced grid size allows solving individual puzzles in short sessions, making it easy to include in daily routines.
Usage recommendations
For regular cognitive benefit, solve one or two puzzles daily and gradually increase speed and accuracy. Use a pencil with a clear eraser and ensure adequate lighting to reduce eye strain. Combining these short Sudoku sessions with other light mental activities helps maintain steady cognitive engagement.

## FAQ

### How much does the Czas Seniora Sudoku 4x4 puzzle book 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 — 12 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 16.07.2026 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 Czas Seniora 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 Czas Seniora 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/12019186/67507637_large.webp