# Marble run Kosmos 44312905 building toy for ages 8 and up

**URL:** https://aio.lv/en/product--tmtoys-kos620981--10686082
**Data updated:** 2026-03-07 17:58 (EET)
**Category:** Construction Toys
**Manufacturer:** TMTOYS
**Manufacturer code:** KOS620981
**EAN:** 4002051617295
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Kosmos 44312905 marble run is a building toy designed for children aged 8 and above. It encourages creativity and problem-solving skills as kids design and build their own marble runs. The set includes various components to create unique tracks, enhancing fine motor skills and spatial awareness.

## Long description

The Kosmos 44312905 marble run by TMTOYS is a building toy designed for children aged 8 and up who enjoy designing and assembling kinetic constructions. This set provides a selection of track pieces and connectors that let users create varied marble courses, promoting iterative planning and hands-on assembly. The components are sized for school-age children and support exploration of cause-and-effect, gravity and simple mechanics while offering opportunities for repeated redesign and problem solving.
Advantages
The construction set develops fine motor skills and spatial reasoning through hands-on building and adjustment of track layouts. It encourages creativity and logical thinking as children test different configurations to change marble speed and route. Durable plastic parts are designed for repeated assembly and disassembly, and the modular format allows expansion or combination with other compatible track elements.
Suitable for
STEM and physics exploration activities for children aged 8+
After-school play that develops planning and troubleshooting skills
Collaborative building projects with siblings or friends
Directed learning situations where gravity and motion are demonstrated
Key specifications
Intended age range: 8 years and older
Set type: modular marble run construction kit
Material: durable molded plastic components
Includes assorted track pieces and connectors to create multiple layouts
Compatible with standard marbles for kinetic play
How to use
Begin by sorting the included pieces and consulting any assembly guide or example layouts provided. Start with a simple track using a few straight and curved pieces, then place a marble at the highest point to test the run. Observe how changes to slopes, turns and connectors affect speed and stability, and iteratively adjust the design. Encourage children to plan a route, assemble the track, test with marbles and refine the construction for improved performance.
Usage recommendations
Use on a flat, stable surface and check connections before each run to ensure safe operation. Supervise younger builders during assembly to avoid small-part ingestion risks. Combine tracks to expand complexity and alternate layouts to practice problem solving and basic principles of motion.

## Specifications

| Feature | Value |
|---|---|
| Product colour | Light blue, Light green, White |
| Country of origin | Germany |
| Package depth | 50 mm |
| Package height | 290 mm |
| Package width | 125 mm |
| Package type | Box |
| Product type | Marble run |
| Suggested gender | Boy/Girl |
| Recommended age (min) | 8 yr(s) |
| Sustainability compliance | Yes |
| Sustainability certificates | Forest Stewardship Council (FSC) Mix |
| Compliance certificates | CE |

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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 TMTOYS 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 TMTOYS 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 Marble run Kosmos 44312905?

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/10686082/65685312_large.webp