---
product_id: 631735579
title: "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: "₨24992"
currency: LKR
in_stock: true
reviews_count: 13
category: "Ravensburger"
url: https://www.desertcart.lk/products/631735579-gravitrax-bridges-expansion-set-stem-toy-for-kids-ages-8
store_origin: LK
region: Sri Lanka
---

# 3 adjustable-length bridges STEM-focused educational play Modular & fully compatible system 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:** ₨24992
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** 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?** ₨24992 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/631735579-gravitrax-bridges-expansion-set-stem-toy-for-kids-ages-8)

## 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-Powered Fun:** Engage critical thinking and physics concepts through hands-on, screen-free play.
- • **Seamless Compatibility:** Effortlessly connect with all GraviTrax sets for endless track-building possibilities.
- • **Award-Winning Innovation:** Join millions who trust the No.1 U.S. marble run system for educational entertainment.
- • **Bridge the Gap, Boost Creativity:** Expand your marble run with 3 versatile bridges that add new dimensions to your track design.
- • **Durable Design for Long-Term Play:** Crafted to withstand hours of creative construction by kids and adults alike.

## Overview

The Ravensburger GraviTrax Bridges Expansion Set enhances your marble run with 3 adjustable bridges and multiple track pieces, compatible with all GraviTrax systems. Designed for kids 8+, it combines STEM learning with creative, modular play, making it the top-ranked marble run system in the U.S. Perfect for fostering problem-solving skills and endless 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 | #52,160 in Toys & Games ( See Top 100 in Toys & Games ) #61 in Marble Runs |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,388) |
| 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

![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 Sri Lanka*
*Store origin: LK*
*Last updated: 2026-01-26*