---
product_id: 83968378
title: "Ravensburger GraviTrax Hammer - Add On Extension Accessory Marble Run and Construction Toy For Kids Age 8 Years Up - STEM"
brand: "gravitrax"
price: "₨651"
currency: SCR
in_stock: true
reviews_count: 13
category: "Gravi Trax"
url: https://www.desertcart.sc/products/83968378-ravensburger-gravitrax-hammer-add-on-extension-accessory-marble-run-construction
store_origin: SC
region: Seychelles
---

# Adds velocity & dynamic action Boosts STEM & spatial skills Innovative interactive track system Ravensburger GraviTrax Hammer - Add On Extension Accessory Marble Run and Construction Toy For Kids Age 8 Years Up - STEM

**Brand:** gravitrax
**Price:** ₨651
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your marble run game with unstoppable speed and STEM-powered fun!

## Quick Answers

- **What is this?** Ravensburger GraviTrax Hammer - Add On Extension Accessory Marble Run and Construction Toy For Kids Age 8 Years Up - STEM by gravitrax
- **How much does it cost?** ₨651 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/83968378-ravensburger-gravitrax-hammer-add-on-extension-accessory-marble-run-construction)

## Best For

- gravitrax enthusiasts

## Why This Product

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

## Key Features

- • **Quick Setup, Instant Fun:** Clear, concise instructions get you building and racing in minutes—no downtime, just pure creative flow.
- • **STEM Learning Meets Play:** Crafted to sharpen spatial reasoning, planning, and critical thinking, it’s the perfect stealth learning tool for curious minds.
- • **Unleash High-Speed Thrills:** The GraviTrax Hammer injects powerful momentum into your marble run, elevating every race with explosive velocity.
- • **Endless Expansion Potential:** Seamlessly compatible with all GraviTrax sets, this add-on unlocks limitless creative track designs and engineering experiments.
- • **Award-Winning Quality from Germany:** Trusted Ravensburger craftsmanship ensures durability and precision for hours of engaging play.

## Overview

The Ravensburger GraviTrax Hammer is a STEM-focused add-on accessory designed for kids 8 and up, enhancing marble run tracks with increased velocity and dynamic action. Compatible with all GraviTrax sets, it promotes critical spatial and engineering skills through hands-on play. Crafted with high-quality materials and clear instructions, it offers an instantly engaging, expandable construction experience.

## Description

From the manufacturer Whether GraviTrax or GraviTrax PRO, the Starter-Sets offer everything to get started right away – a pack full of possibilities and creativity. Can be combined with ALL GraviTrax products. With the numerous GraviTrax extensions you have even more possibilities to make your track unique! Can be combined with ALL GraviTrax products. Only playable with a Starter-Set. Even more action! Make your track more exciting with the extensions from GraviTrax & GraviTrax Pro.

Review: Good quality as advertised recommended - Good quality as advertised recommended
Review: Happy Grandson! - Delivery was very quick, and my grandson is enjoying the different Gravitrax items, including this one.

## Features

- Warning:Toy inside. Adult supervision recommended
- As seen on TV - GraviTrax is an innovative marble run and contruction toy for boys and for girls ages 8 years and up. It is an ideal christmas gift or birthday gift for smart, curious kids. The GraviTrax Hammer will add some much-needed velocity to your track layout.
- Innovative - The GraviTrax interactive track system allows you to design and build your own race tracks and experiment with engineering, gravity, magnetism, and kinetics to propel your ball to the finish.
- Infinitely Expandable - Gravitrax in fully expandable with a large range of expansion pack and accessories! An amazing building toy!
- Develops critical skills – Playing and building with GraviTrax builds spatial reasoning and planning skills, and provides a great stealth learning experience.
- Clear instructions – Comes with clear instructions so that you can start construction and start playing with this fun brain game within minutes

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07B7MWQ1Z |
| Age Range Description | 8 years |
| Age range (description) | 8 years |
| Best Sellers Rank | 116,755 in Toys & Games ( See Top 100 in Toys & Games ) 153 in Marble Runs |
| Brand | GraviTrax |
| Brand Name | GraviTrax |
| Country Of Origin | Germany |
| Customer Reviews | 4.6 out of 5 stars 964 Reviews |
| Educational Objective | Construction Skills, STEM Skills, Imagination |
| Educational objective | Construction Skills, STEM Skills, Imagination |
| Global Trade Identification Number | 04005556275984 |
| Included Components | 1x Set of Instructions, 1x Hammer Base, 1x Long Rail, 2x Medium Rails, 3x Short Rails |
| Item Dimensions | 19 x 19 x 4.8 centimetres |
| Item Weight | 0.16 Kilograms |
| Item dimensions L x W x H | 19 x 19 x 4.8 centimetres |
| Manufacturer | Ravensburger |
| Manufacturer Part Number | 27598 |
| Manufacturer Warranty Description | No Warranty |
| Material | card |
| Material Type | card |
| Maximum Age Recommendation | 1188.0 |
| Minimum Age Recommendation | 96.0 |
| Model Number | 27598 |
| Set Name | GraviTrax Hammer |
| Size | 19 cm x 19 cm x 4.8 cm |
| Theme | STEM |
| Unit Count | 1.0 count |

## Product Details

- **Age range (description):** 8 years
- **Brand:** Ravensburger
- **Item dimensions L x W x H:** 19 x 19 x 4.8 centimetres
- **Material:** card
- **Size:** 19 cm x 19 cm x 4.8 cm

## Images

![Ravensburger GraviTrax Hammer - Add On Extension Accessory Marble Run and Construction Toy For Kids Age 8 Years Up - STEM - Image 1](https://m.media-amazon.com/images/I/71c4CxQbbDL.jpg)
![Ravensburger GraviTrax Hammer - Add On Extension Accessory Marble Run and Construction Toy For Kids Age 8 Years Up - STEM - Image 2](https://m.media-amazon.com/images/I/614Ct7M8hjL.jpg)
![Ravensburger GraviTrax Hammer - Add On Extension Accessory Marble Run and Construction Toy For Kids Age 8 Years Up - STEM - Image 3](https://m.media-amazon.com/images/I/41i5t5C3KzL.jpg)
![Ravensburger GraviTrax Hammer - Add On Extension Accessory Marble Run and Construction Toy For Kids Age 8 Years Up - STEM - Image 4](https://m.media-amazon.com/images/I/71lF7KtYUGL.jpg)
![Ravensburger GraviTrax Hammer - Add On Extension Accessory Marble Run and Construction Toy For Kids Age 8 Years Up - STEM - Image 5](https://m.media-amazon.com/images/I/61fb1CZIQIL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality as advertised recommended
*by M***D on 4 April 2026*

Good quality as advertised recommended

### ⭐⭐⭐⭐⭐ Happy Grandson!
*by M***L on 16 March 2019*

Delivery was very quick, and my grandson is enjoying the different Gravitrax items, including this one.

### ⭐⭐⭐⭐⭐ Helps boost up the original- kids love it
*by S***N on 2 February 2020*

Helps boost up the original- kids love it

## Frequently Bought Together

- Gravitrax Ravensburger Hammer Accessory (Marble Run And Stem Toy), Multi-Colour, 8 +, 27598-4
- Ravensburger Gravitrax Magnetic Cannon Accessory - Marble Run & Stem Toy For Boys & Girls Age 8 & Up - Accessory For 2019 Toy Of The Year Finalist Gravitrax
- GraviTrax Ravensburger Starter Kit (Marble Run And Stem Toy), Multi Colour, 8+, 27597, age: 8 years and up

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-07-15*