---
product_id: 631735579
title: "Ravensburger GraviTrax: Bridges Expansion Set | STEM Toy for Kids Ages 8 and Up | Compatible with All GraviTrax Systems | Ranked No.1 Marble Run System in The U.S"
brand: "ravensburger"
price: "¥13233"
currency: JPY
in_stock: true
reviews_count: 13
category: "Ravensburger"
url: https://www.desertcart.jp/products/631735579-ravensburger-gravitrax-bridges-expansion-set-stem-toy-for-kids-ages
store_origin: JP
region: Japan
---

# 3 adjustable-length bridges STEM-powered magnetism & kinetics 100% compatible with all GraviTrax sets Ravensburger GraviTrax: Bridges Expansion Set | STEM Toy for Kids Ages 8 and Up | Compatible with All GraviTrax Systems | Ranked No.1 Marble Run System in The U.S

**Brand:** ravensburger
**Price:** ¥13233
**Availability:** ✅ In Stock

## Summary

> 🌟 Build Bridges, Build Brains — Elevate Your Marble Run Game!

## Quick Answers

- **What is this?** Ravensburger GraviTrax: Bridges Expansion Set | STEM Toy for Kids Ages 8 and Up | Compatible with All GraviTrax Systems | Ranked No.1 Marble Run System in The U.S by ravensburger
- **How much does it cost?** ¥13233 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/631735579-ravensburger-gravitrax-bridges-expansion-set-stem-toy-for-kids-ages)

## 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

- • **Universal Compatibility:** Effortlessly expand your existing GraviTrax system—no limits, just pure building freedom.
- • **Award-Winning Innovation:** Join millions who trust the #1 U.S. marble run system for educational fun and family bonding.
- • **STEM Learning Meets Play:** Engage critical thinking and physics concepts through hands-on, electronic-free experimentation.
- • **Bridge the Gap, Extend the Fun:** Seamlessly connect tracks with 3 versatile bridges for endless marble run creativity.
- • **Durable Design for Long-Term Play:** Crafted for kids 8+ and adults who crave lasting, boredom-busting entertainment.

## Overview

The Ravensburger GraviTrax Bridges Expansion Set adds 3 adjustable-length bridges and multiple track pieces to your existing GraviTrax system, enabling creative marble run designs that teach STEM principles like gravity, magnetism, and kinetics. Compatible with all GraviTrax sets and designed for ages 8+, this durable, award-winning expansion fuels hours of educational, screen-free fun.

## Description

Bridge the gap with the “GraviTrax Bridges Expansion” set and keep your marble run rolling!Explore the possibilities of connecting separate tracks with the “GraviTrax Bridges Expansion” set and get your marble over any ravine! Balance your marble on the narrow bridge that resembles a tight rope; control the marble's speed with the slow bridge; or roll out a new path for your marble to take with the roll-out bridge. It’s a snap to combine this accessory with any “GraviTrax Starter-Set” to experience the power of gravity and educational fun today!What makes a great toy? GraviTrax checks all the boxes! It’s a creative, modular, expandable track system that challenges children to use their imagination to design and build their own marble runs! Electronic-free, GraviTrax construction sets use STEM-friendly concepts while building critical thinking and problem-solving skills. Completely open-ended, every GraviTrax set has a boredom-busting variety of play options for hours of fascinating fun. Once the basics are mastered, simply add expansion sets and accessories to propel those metal marbles around the tricked-out track of your dreams!Comes complete with 3 adjustable-length Bridges, 2 long thin tracks, 2 long slow tracks, 1 long track, 2 medium tracks, 3 short tracks and instructions.Lasting durability for girls and boys ages 8 and up, it’s the learning toy children (and savvy adults) return to over and over again!

Review: Excellent and durable - Exactly what he wanted for Christmas
Review: Nice - Great set for children.

## Features

- [GraviTrax: Bridges Expansion] Bridge the gap with the “GraviTrax Bridges Expansion” set and keep your marble run rolling!
- [INNOVATIVE] The GraviTrax interactive track system allows you to design and build your own race tracks and experiment with gravity, magnetism, kinetics.
- [STEM TOY] Boys and girls ages 8 and up can experience educational and science play. The franchise has sold over 15.5 million units worldwide and has ranked as the No.1 marble run system in the U.S., according to the NPD Group.
- [COMPATIBLE] Easily extend play time - All sets are compatible and functional with all GraviTrax systems.
- [GREAT GIFT] GraviTrax is an a ideal holiday and birthday gift for creative, curious kids and adults who love to build.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BSX91VT4 |
| Batteries | AA batteries required. |
| Best Sellers Rank | #116,057 in Toys & Games ( See Top 100 in Toys & Games ) #117 in Marble Runs |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,391) |
| Item Weight | 12.5 ounces |
| Item model number | 22423 |
| Manufacturer | Ravensburger |
| Manufacturer recommended age | 8 years and up |
| Product Dimensions | 13.31 x 13.31 x 2.17 inches |
| Release date | May 26, 2024 |

## Images

![Ravensburger GraviTrax: Bridges Expansion Set | STEM Toy for Kids Ages 8 and Up | Compatible with All GraviTrax Systems | Ranked No.1 Marble Run System in The U.S - Image 1](https://m.media-amazon.com/images/I/71wOR8qp4rL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent and durable
*by M***S on December 29, 2025*

Exactly what he wanted for Christmas

### ⭐⭐⭐⭐⭐ Nice
*by S***I on September 16, 2025*

Great set for children.

### ⭐⭐⭐⭐⭐ Play tiles
*by D***T on January 9, 2026*

Very durable, fun toy

## Frequently Bought Together

- Ravensburger GraviTrax: Bridges Expansion Set | STEM Toy for Kids Ages 8 and Up | Compatible with All GraviTrax Systems | Ranked No.1 Marble Run System in The U.S
- Ravensburger GraviTrax: Trax Expansion Set | Enhance Your Marble Run Experience | STEM Toy for Kids Ages 8 and Up | Compatible with All GraviTrax Systems | Ranked No.1 Marble Run System in The U.S
- Ravensburger GraviTrax PRO: Vertical Expansion Set - Advanced Marble Run STEM Toy | EncourAgess Experimentation and Creativity | Compatible with All GraviTrax Systems | Gift for Kids Ages 8+

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-26*