---
product_id: 513252134
title: "GraviTrax Power Extension Start & Finish - Marble Run, STEM, Building and Construction Toys for Kids Age 8 Years Up"
brand: "ravensburger"
price: "$143"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/513252134-gravitrax-power-extension-start-and-finish-marble-run-stem-building
store_origin: NZ
region: New Zealand
---

# RF-powered auto marble launch 7-marble capacity Starter & Finish Universal compatibility across GraviTrax lines GraviTrax Power Extension Start & Finish - Marble Run, STEM, Building and Construction Toys for Kids Age 8 Years Up

**Brand:** ravensburger
**Price:** $143
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your marble run game—where STEM meets endless innovation!

## Quick Answers

- **What is this?** GraviTrax Power Extension Start & Finish - Marble Run, STEM, Building and Construction Toys for Kids Age 8 Years Up by ravensburger
- **How much does it cost?** $143 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/513252134-gravitrax-power-extension-start-and-finish-marble-run-stem-building)

## Best For

- ravensburger enthusiasts

## Why This Product

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

## Key Features

- • **STEM-Driven Fun for All Ages:** Designed for ages 8+, this set sharpens critical thinking, logical reasoning, and construction skills while delivering hours of engaging play.
- • **High-Capacity Marble Reservoir:** Keep the momentum going with a Starter & Finish that each hold up to 7 marbles for extended play sessions.
- • **Limitless Creative Combinations:** Mix and match with all GraviTrax, PRO, and POWER sets to build complex, personalized tracks that challenge your engineering skills.
- • **Ready to Play, No Assembly Needed:** Jump straight into building and experimenting—no complicated setup required, just add batteries and ignite your creativity.
- • **Seamless RF-Linked Start & Finish:** Experience uninterrupted marble runs with smart RF technology that auto-launches new marbles the moment one finishes.

## Overview

The GraviTrax Power Extension Start & Finish is a cutting-edge marble run accessory featuring RF technology that automatically launches marbles, with a high-capacity reservoir holding up to seven marbles each. Compatible with all GraviTrax product lines, it offers limitless creative building possibilities for kids 8 years and up, fostering STEM skills through hands-on play without any assembly required.

## Description

GraviTrax Power Extension Start & Finish - Marble Run, STEM, Building and Construction Toys for Kids Age 8 Years Up

## Features

- The GraviTrax POWER Elements Starter & Finish link the beginning and end of the track by RF. If a marble reaches the Finish, a new marble is automatically sent onto the track
- Finish-Arena and Starter can be filled with seven marbles each. The shape and handling of the individual parts makes it easy to fill the Starter
- The Elements GraviTrax POWER Starter & Finish can be combined with all Starter-Sets, Extensions and Elements. GraviTrax, GraviTrax PRO or GraviTrax POWER: With the Ravensburger marble run system, there are no limits to creativity and the possible combinations
- GraviTrax, GraviTrax PRO, GraviTrax POWER are three pillars of the Ravensburger marble run system. The white line GraviTrax is entry level and with countless add-ons the basis of any marble run. PRO brings height and complexity to the track, while POWER provides electronic components - for interaction, variable track courses and long running times
- The GraviTrax system approach of Starter-Sets and additions across three product lines inspires children from the age of 8, teenagers and adults. GraviTrax, GraviTrax PRO and GraviTrax POWER offer many possibilities for creative building. An ideal gift

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 11.3 x 11.3 x 11 cm; 235 g |
| Batteries | 3 AAA batteries required. |
| Manufacturer recommended age | 8 years and up |
| Item model number | 26810 |
| Educational Objective(s) | Critical Thinking, Logical Thinking, Engineering Skills, STEM, Construction Skills |
| Language: | English, Italian, French, German, Spanish |
| Number of Game Players | 1+ |
| Number of Puzzle Pieces | 3 |
| Assembly Required | No |
| Batteries Required? | Yes |
| Batteries Included? | No |
| Material Type(s) | Metal Plastic |
| Remote Control Included? | No |
| ASIN | B0BG9G52Y4 |

## Images

![GraviTrax Power Extension Start & Finish - Marble Run, STEM, Building and Construction Toys for Kids Age 8 Years Up - Image 1](https://m.media-amazon.com/images/I/71dQi6YCndL.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- Ravensburger GraviTrax Power Extension Start & Finish - Marble Run, STEM, Building and Construction Toys for Kids Age 8 Years Up
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**Shop now:** [https://www.desertcart.nz/products/513252134-gravitrax-power-extension-start-and-finish-marble-run-stem-building](https://www.desertcart.nz/products/513252134-gravitrax-power-extension-start-and-finish-marble-run-stem-building)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-26*