---
product_id: 414230567
title: "Mechanical Tellurion"
brand: "ugears"
price: "€ 121.25"
currency: EUR
in_stock: true
reviews_count: 13
category: "Ugears"
url: https://www.desertcart.at/products/414230567-mechanical-tellurion
store_origin: AT
region: Austria
---

# Moon orbit cycle: 27.323 days Accurate Earth orbit: 365.256 days 249 precision wooden parts Mechanical Tellurion

**Brand:** ugears
**Price:** € 121.25
**Availability:** ✅ In Stock

## Summary

> 🌌 Build the universe on your desk — where science meets style!

## Quick Answers

- **What is this?** Mechanical Tellurion by ugears
- **How much does it cost?** € 121.25 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/414230567-mechanical-tellurion)

## Best For

- ugears enthusiasts

## Why This Product

- Trusted ugears brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Gift the Universe:** Ideal for professionals who crave intellectual gifts—perfect for birthdays, Father’s Day, or elevating your home office vibe.
- • **Hands-On Astronomy:** Turn the handle to animate the Sun, Earth, and Moon, visualizing day/night cycles and lunar phases.
- • **Intricate Gear Mastery:** Experience the cosmic dance with a precise gear system replicating real orbital periods.
- • **Elegant Educational Decor:** A stunning 3D wooden model that doubles as a conversation-starting centerpiece for your workspace.
- • **Therapeutic DIY Challenge:** Engage in a satisfying 5-hour build with no glue required—perfect for mindful hobbyists.

## Overview

The Mechanical Tellurion is a sophisticated 3D wooden puzzle featuring 249 laser-cut parts and a precise gear mechanism that accurately models the Earth’s 365.256-day orbit and the Moon’s 27.323-day cycle. Designed for adults and hobbyists, this intermediate-level kit offers a hands-on educational experience illustrating celestial mechanics, lunar phases, and seasons without the need for glue. Beyond its scientific accuracy, it serves as an elegant, interactive décor piece and a perfect gift for space enthusiasts and professionals seeking a unique intellectual challenge.

## Description

Product Description Why does winter last so long, night comes so soon, and the moon is a crescent again? The UGEARS Mechanical Tellurion 3D puzzle for adults help you clarify time and space questions. This gorgeous 3d wooden model kit for adults is a 3D representation of the Earth's movements and interplay with respect to the moon and the sun. Ugears is proud to present the Mechanical Tellurion, an accurate wooden model representation of our corner of the universe. A tellurion (also spelled tellurian, tellurium, and sometimes called a loxocosm), is an ingenious mechanism that depicts the cosmic dance between Sun, Earth and Moon. The causes of day and night, the phases of the moon, and the changing seasons are seen and understood according to the movements of this 3D puzzle. Adults and children will love this wooden 3D puzzle kit because Everything in the box No extra tools or glue are needed to assemble UGEARS wooden models for adults. Illustrated, step-by-step instructions in 11 languages will keep you on track. It’s challenging UGEARS engineering kits for kids and adults provide many hours of hands-on activity. Creating a fully functional and beautiful mechanical puzzle is a complex yet rewarding experience. Plan about 5 hours for completing this motorized solar system. Model size: 15.9*10.2*12 in (40.5*26*30.5 cm) Package size: 14.9*6.7*1.3 in (37.8*17*3.4 cm) Number of components: 249 Estimated time for assembly: 5 hours Level: Medium It moves Similar to other engineering toys and 3D model kits for kids and adults, this mechanical puzzle moves accurately and smoothly. Turn the handle to set the closely calibrated system of gears in motion. One turn of the handle = one rotation of the Earth on its axis = one day. It can be manually adjusted or "tuned" to provide an accurate depiction of the relative positions of the sun, Earth and moon on any given day. It answers questions This solar system model for adults and kids demonstrates the regular cycles of day and night, the phases of the moon, the changing of the seasons, and the passing of years. You can accurately visualize and explain to your child why it’s winter in Australia when it’s summer in the USA; why it’s early morning in Tokyo and sunset in Buenos Aires; and why the moon seems to change its shape and position. It delights Once assembled, you will enjoy showing it to your family and friends and talking about the heavens, the seasons, and the concept of time itself. The Tellurian model building kit is a valuable gift for anyone interested in space, time, astronomy, or star gazing. Give or assemble this mechanical marvel with joy. Welcome the Mechanical Tellurion to your collection.

Review: Satisfying to build, a nice decoration, and surprisingly accurate - I've been trying to find something like this for a while and while there are some nice-looking alternatives, this one seems to have everything I wanted in terms of size, complexity, and accuracy. And then I saw the company is Ukrainian, so of course I had to buy this one. :) (It ships from the UK, not Kyiv in case you're worried !) Construction is a very satisfying process. The model comes in flat-pack, you push the pieces out of their wooden surrounds and snap them together. No gluing or cutting is needed, just a bit of sanding and waxing using the supplied sandpaper and wax stick. The design is efficient and elegant. The parts snap together very securely and seem surprisingly sturdy - I managed to avoid breaking any, though there are some spares provided just in case. Plus you can contact the company if anything does go badly wrong. Construction took me a bit longer than the estimated 5 hours because I made a few mistakes and had to backtrack a couple of times. This is not too difficult, but some parts can be harder to undo than others. My advice is just to be slow and careful and make absolutely sure you have all the parts the right way around before finally attaching them. The instructions (clear and easy to follow) do highlight particular points where getting the positioning wrong would be worse than others, but it pays to be a bit paranoid. Anyway I found the process quite therapeutic, so taking a bit longer is no bad thing. The final constructed model is about 30 cm tall and 40 cm in diameter at maximum extent. I was impressed to learn that the rotational speed ratio is accurate : one turn of the handle causes one complete rotation of the Earth, but ~28 are needed for one rotation of the Earth around the Moon, and yes, this means you need a full 365.25 rotations for the Earth-Moon system to orbit the Sun. There's also a dial showing the phase of the Moon given its position, which is a useful education aid. But it's also designed with aesthetics in mind, so it makes a great display piece. Overall, an easy 5 stars from me. One day I'll be able to afford a brass version, but until then, this'll do nicely. I hope UGEARS will release an astrolabe in the future... :)
Review: Plannetry model - Very intriguing build.

## Features

- Warning:Not suitable for children under 14 years. For use under adult supervision
- Warning:Only for domestic use
- Warning:To be used under the direct supervision of an adult
- Explore the Universe: Build and explore the wooden puzzle, a stunning 3D puzzles adult that demonstrates the movements of the Sun, Earth, and Moon to explain day and night, lunar phases, and seasons
- Precise Gear System Wooden Models: 3-D puzzles crafts for adults features an intricate gear mechanism, offering accurate orbital periods of 365.256 days for Earth and 27.323 days for the Moon
- Interactive and Educational Space Puzzle: Turn the handle to set in adult puzzle the celestial system in motion and understand the mechanics behind natural phenomena like lunar phases and equinoxes
- DIY Medium-Level Kit: With 249 laser-cut wooden parts and an estimated assembly time of 5 hours, these wood puzzles for adults is perfect for hobbyists and astronomy enthusiasts. No glue required
- Perfect Wooden Gifts for Space Lovers: An ideal DIY project or astronomy gifts on Fathers Day, Birthday ot Christmas. Great for educational purposes as space gifts for men, science gifts for adults

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09QL46L2C |
| Age Range Description | Adult |
| Best Sellers Rank | 137,475 in Toys & Games ( See Top 100 in Toys & Games ) 862 in 3-D Puzzles |
| Brand | UGEARS |
| Brand Name | UGEARS |
| Colour | Plywood |
| Country Of Origin | Ukraine |
| Customer Package Type | FFP |
| Customer Reviews | 4.5 out of 5 stars 497 Reviews |
| Educational Objective | Scientific understanding of solar system concepts |
| Global Trade Identification Number | 04820184121355 |
| Included Components | 249 parts, gear system, instruction manual |
| Is Assembly Required | Yes |
| Item Dimensions | 40.4 x 25.9 x 0.1 centimetres |
| Item Dimensions L x W | 40.6L x 30.5W centimetres |
| Item Shape | Weltraum |
| Item Weight | 800 Grams |
| Manufacturer | UGEARS |
| Manufacturer Minimum Age (MONTHS) | 168.00 |
| Manufacturer Part Number | ug70167 |
| Material Type | Engineered Wood |
| Material Type Free | Bisphenol-A (BPA) free, phthalate-free, polyvinyl chloride (PVC) free, latex free |
| Maximum Age Recommendation | 1188.00 |
| Minimum Age Recommendation | 168.00 |
| Model Number | 70167 |
| Number of Items | 249 |
| Number of Pieces | 249 |
| Number of pieces | 249 |
| Operation Mode | Manual |
| Play Activity Location | Tabletop |
| Power Source | Manual |
| Product Style | Educational |
| Product dimensions | 40.6L x 30.5W centimetres |
| Puzzle Type | 3D Puzzle |
| Puzzle type | 3D Puzzle |
| Set Name | Mechanical Tellurion |
| Size | 10.2 inches x 15.9 inches |
| Skill Level | Intermediate |
| Special Features | Mechanism to illustrate the cosmic dance of the sun, earth and moon |
| Subject Character | Earth, Moon, Sun |
| Supported Battery Types | No battery required |
| Team Name | UGears |
| Theme | Building, Outer Space, Season |
| Unit Count | 249.0 count |

## Product Details

- **Brand:** UGears
- **Cartoon character:** Earth, Moon, Sun
- **Educational objective:** Scientific understanding of solar system concepts
- **Included components:** 249 parts, gear system, instruction manual
- **Manufacturer Minimum Age (MONTHS):** 168.00
- **Material:** Engineered Wood
- **Number of pieces:** 249
- **Product dimensions:** 40.6L x 30.5W centimetres
- **Puzzle type:** 3D Puzzle
- **Theme:** Building, Outer Space, Season

## Images

![Mechanical Tellurion - Image 1](https://m.media-amazon.com/images/I/813bPr1HVfL.jpg)
![Mechanical Tellurion - Image 2](https://m.media-amazon.com/images/I/61V7S83NOTL.jpg)
![Mechanical Tellurion - Image 3](https://m.media-amazon.com/images/I/71ZRRsk54GL.jpg)
![Mechanical Tellurion - Image 4](https://m.media-amazon.com/images/I/61L0jEiRlhL.jpg)
![Mechanical Tellurion - Image 5](https://m.media-amazon.com/images/I/713JClEV66L.jpg)

## Questions & Answers

**Q: Does the earth peice actually move around the sun peice or does it just spin in place?**
A: Yes, it moves around the Sun, at an accurate relative speed (meaning, VERY slowly) compared to how it rotates on its axis and how fast the Moon orbits.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Satisfying to build, a nice decoration, and surprisingly accurate
*by R***Y on 11 April 2022*

I've been trying to find something like this for a while and while there are some nice-looking alternatives, this one seems to have everything I wanted in terms of size, complexity, and accuracy. And then I saw the company is Ukrainian, so of course I had to buy this one. :) (It ships from the UK, not Kyiv in case you're worried !) Construction is a very satisfying process. The model comes in flat-pack, you push the pieces out of their wooden surrounds and snap them together. No gluing or cutting is needed, just a bit of sanding and waxing using the supplied sandpaper and wax stick. The design is efficient and elegant. The parts snap together very securely and seem surprisingly sturdy - I managed to avoid breaking any, though there are some spares provided just in case. Plus you can contact the company if anything does go badly wrong. Construction took me a bit longer than the estimated 5 hours because I made a few mistakes and had to backtrack a couple of times. This is not too difficult, but some parts can be harder to undo than others. My advice is just to be slow and careful and make absolutely sure you have all the parts the right way around before finally attaching them. The instructions (clear and easy to follow) do highlight particular points where getting the positioning wrong would be worse than others, but it pays to be a bit paranoid. Anyway I found the process quite therapeutic, so taking a bit longer is no bad thing. The final constructed model is about 30 cm tall and 40 cm in diameter at maximum extent. I was impressed to learn that the rotational speed ratio is accurate : one turn of the handle causes one complete rotation of the Earth, but ~28 are needed for one rotation of the Earth around the Moon, and yes, this means you need a full 365.25 rotations for the Earth-Moon system to orbit the Sun. There's also a dial showing the phase of the Moon given its position, which is a useful education aid. But it's also designed with aesthetics in mind, so it makes a great display piece. Overall, an easy 5 stars from me. One day I'll be able to afford a brass version, but until then, this'll do nicely. I hope UGEARS will release an astrolabe in the future... :)

### ⭐⭐⭐⭐⭐ Plannetry model
*by S***. on 29 December 2025*

Very intriguing build.

### ⭐⭐⭐⭐ Not for beginners
*by W***L on 14 May 2024*

A very good model for the experienced model maker - not suitable for beginners. A satisfying build if you follow the instructions VERY carefully.

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---

*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-06-07*