---
product_id: 590092219
title: "GraviTrax Junior Extension Ocean - Expandable Marble Run for Children, Marble Run Mainly Made from Renewable Raw Materials with Educational Toy and Construction Toy from 3 Years"
brand: "ravensburger"
price: "¥10259"
currency: JPY
in_stock: true
reviews_count: 5
url: https://www.desertcart.jp/products/590092219-gravitrax-junior-extension-ocean-expandable-marble-run-for-children-marble
store_origin: JP
region: Japan
---

# Ocean-themed interactive extension 33 eco-friendly wood bioplastic parts Expandable modular design for endless creativity GraviTrax Junior Extension Ocean - Expandable Marble Run for Children, Marble Run Mainly Made from Renewable Raw Materials with Educational Toy and Construction Toy from 3 Years

**Brand:** ravensburger
**Price:** ¥10259
**Availability:** ✅ In Stock

## Summary

> 🌟 Build, Explore, and Expand Your Child’s Oceanic Marble Run Universe!

## Quick Answers

- **What is this?** GraviTrax Junior Extension Ocean - Expandable Marble Run for Children, Marble Run Mainly Made from Renewable Raw Materials with Educational Toy and Construction Toy from 3 Years by ravensburger
- **How much does it cost?** ¥10259 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/590092219-gravitrax-junior-extension-ocean-expandable-marble-run-for-children-marble)

## 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

- • **Skill-Boosting Fun:** Enhances motor skills, spatial thinking, and cause-effect understanding
- • **Limitless Creativity:** Modular extension system lets kids build, redesign, and expand endlessly 🧩
- • **Sustainable Playtime:** Crafted from renewable wood bioplastic for guilt-free fun 🌿
- • **Immersive Ocean Adventure:** Dive into themed marble runs with ocean elements and animal figures 🌊
- • **Perfect Gift for Young Innovators:** Ideal for kids 3+, sparking imagination and STEM learning from day one

## Overview

The Ravensburger GraviTrax Junior Extension Ocean is a sustainable, ocean-themed marble run expansion set designed for children aged 3 and up. Made primarily from renewable wood bioplastic, it promotes creativity, motor skills, and spatial reasoning through modular, themed play. Compatible with the GraviTrax Junior starter set, it offers endless opportunities for imaginative construction and interactive learning.

## Description

Product Description               GraviTrax Junior allows children aged 3 and over a child-friendly entry into themed marble run worlds. GraviTrax Junior is an interactive marble run system for children aged 3 and over. Boys and girls create their own marble run worlds that can be flexibly decorated so that individual theme worlds are created. Building and playing fun are combined. GraviTrax Junior can be extended as desired by extensions with components or special elements. Sets of themed decorations allow children to create their own worlds for lasting fun. GraviTrax Junior is an interactive marble run system for boys and girls aged 3 and up: With GraviTrax Junior, children not only build simple marble runs. By individually decorating with lovingly designed elements, children create their own themed worlds. GraviTrax Junior focuses on age-appropriate learning content. Motor skills and spatial thinking are promoted by the free design of the marble runs. By exploring the rolling behaviour of the balls, the principle of cause and effect is experienced up close. Playing with the (animal) figures and decorating the theme worlds promote children's creative role play and imagination. Thanks to various extensions, children can enlarge their marble runs and redesign them again and again - long-lasting fun guaranteed.                  Directions               Included               
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                    Safety Warning               Choking hazard small parts. Not suitable for children under 3 years.             See more

## Features

- GraviTrax Junior is a sustainable marble run system; the 33 components are made from wood bioplastic
- The included assembly instructions make it easier to get started, then there are no limits to creativity; thanks to various extensions, children can enlarge their marble runs and redesign again and again - long-lasting fun guaranteed
- There are no limits to creativity; thanks to different extensions, children can enlarge their marble runs and design them again and again - long-lasting fun guaranteed
- Birthday gift, Christmas gift or Easter gift for boys and girls aged 3 and up; for toddlers, kindergarten children, preschoolers and primary school students
- The GraviTrax Junior products are mainly made from renewable raw materials. The material mix of bio-based plastic and wood fibres also ensures that the components and toy figures feel particularly comfortable
- The GraviTrax Junior Extension Ocean is an optimal extension of the marble run system; in combination with a GraviTrax Junior starter set, children from 3 years immediately immerse themselves in the underwater world; thanks to the diverse ocean elements and animal figures, children experience the world of the ocean up close when decorating and playing

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 22.2 x 22.2 x 4.8 cm; 337 g |
| Manufacturer recommended age | 36 months - 7 years |
| Item model number | 27400 |
| Educational Objective(s) | Creative Skill |
| Language: | Danish, Dutch, English, French, German, Italian, Japanese, Norwegian, Spanish, Swedish |
| Assembly Required | No |
| Batteries Required? | No |
| Batteries included? | No |
| Material Type(s) | Wood |
| Material Composition | Plastic |
| Colour | White |
| Release date | 1 Sept. 2023 |
| ASIN | B0BSX9GJKG |

## Product Details

- **Size:** 22.1 x 22.1 x 4.8
- **Brand:** Ravensburger
- **Material:** Wood
- **Age range (description):** Kid
- **Item dimensions L x W x H:** 22.2 x 22.2 x 4.8 centimetres

## Images

![GraviTrax Junior Extension Ocean - Expandable Marble Run for Children, Marble Run Mainly Made from Renewable Raw Materials with Educational Toy and Construction Toy from 3 Years - Image 1](https://m.media-amazon.com/images/I/61HCrkYwtlL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
    Superbe jeu
  
  

*by S***R on Reviewed in France on 6 November 2024*

Le jeu est magnifique acheté pour un enfant de 3 ansIl adore

### ⭐⭐⭐⭐⭐ 







  
    👍
  
  

*by D***O on Reviewed in Germany on 26 June 2024*

Sehr gute

### ⭐⭐⭐⭐⭐ 







  
    Très bien
  
  

*by E***N on Reviewed in France on 8 May 2024*

Très bien pour compléter les extensions my tracks car vraiment orienté décoration et ne permet pas beaucoup d'étendre le circuit par manque de pièces pour surélever le circuit

## Frequently Bought Together

- Ravensburger 27400 Gravitrax Junior Extension Ocean-Expandable Children, Marble Run Made of Environmentally Friendly Materials with Theme Worlds, Educational Construction Toys from 3 Years, White
- Ravensburger 23748 GraviTrax Junior 23748-Extension Ice-Expandable Children, Marble Run Mainly Made from Renewable Raw Materials, Construction Toy from 3 Years
- Ravensburger 27519 GraviTrax Element Trap-Expandable Children, Marble Run Made of Environmentally Friendly Materials with Theme Worlds, Educational Construction Toys from 3 Years, White

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-12*