--- product_id: 71217417 title: "Ravensburger GraviTrax Add on Trax Pack - Marble Run, STEM and Construction Toy For Kids Age 8 Years and Up" brand: "gravitrax" price: "€ 65.94" currency: EUR in_stock: true reviews_count: 13 url: https://www.desertcart.be/products/71217417-ravensburger-gravitrax-add-on-trax-pack-marble-run-stem-construction store_origin: BE region: Belgium --- # 33.8cm modular build size 40+ precision components STEM-driven engineering play Ravensburger GraviTrax Add on Trax Pack - Marble Run, STEM and Construction Toy For Kids Age 8 Years and Up **Brand:** gravitrax **Price:** € 65.94 **Availability:** ✅ In Stock ## Summary > 🎢 Elevate your marble run game—where science meets endless fun! ## Quick Answers - **What is this?** Ravensburger GraviTrax Add on Trax Pack - Marble Run, STEM and Construction Toy For Kids Age 8 Years and Up by gravitrax - **How much does it cost?** € 65.94 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/71217417-ravensburger-gravitrax-add-on-trax-pack-marble-run-stem-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 - • **Gift the Genius:** Perfect for curious kids 8+ who crave challenges and creative construction—ideal for birthdays or holidays. - • **STEM Skills in Action:** Engage critical thinking with hands-on lessons in gravity, magnetism, and kinetics—learning disguised as play. - • **Quick Start, Long Play:** Clear, concise instructions get you building and experimenting within minutes—no downtime, just momentum. - • **Seamless Compatibility:** Works flawlessly with all GraviTrax Starter Sets and expansions—unlock endless design possibilities. - • **Expand Your Creative Universe:** Over 40 new tiles and tracks to amplify your GraviTrax experience and build mind-blowing marble runs. ## Overview The Ravensburger GraviTrax Trax Pack is a 40+ piece expansion set designed for kids 8 and up, enhancing the original GraviTrax marble run with new tiles and tracks. It promotes STEM learning through interactive play involving gravity, magnetism, and kinetics. Compatible with all GraviTrax Starter Sets, this medium-sized pack (33.8 x 33.8 cm) offers clear instructions for quick setup and endless creative building possibilities. ## Description 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. Can be combined with ALL GraviTrax products. Only playable with a Starter-Set. ## Features - 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. This Trax expansion pack includes over 40 components to extend the fun of your GraviTrax with even more tiles and tracks. - 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 | |---------------|-------| | Age Range Description | 8 years + | | Asin | B07B7MFVZL | | Best Sellers Rank | 212,306 in Toys & Games (See Top 100 in Toys & Games) 281 in Marble Runs | | Brand Name | GraviTrax | | Customer Reviews | 4.8 4.8 out of 5 stars (4,799) 4.8 out of 5 stars | | Educational Objective | Construction Skills, STEM Skills Appences | | Global Trade Identification Number | 04005556276011 | | Included Components | 16x Large Vertical Tiles, 8x Small Vertical Tiles, 7x Curved Bases, 1x 'X' Base, 1x Long Rail, 2x Medium Rails, 3x Short Rails, 6x Gravity Spheres | | Item Dimensions | 33.8 x 33.8 x 5.5 centimetres | | Item Type Name | GraviTrax Trax Expansion Pack - Marble Run & Construction Toy for Kids age 8 years and up - English Version | | Item Weight | 99 Grams | | Manufacturer | Ravensburger | | Manufacturer Part Number | 27601 | | Material Type | Acrylic Cardboard | | Maximum Age Recommendation | 1188.0 | | Minimum Age Recommendation | 96.0 | | Model Number | 27601 | | Set Name | Trax Pack | | Size | Medium | | Theme | STEM | | Unit Count | 1.0 count | ## Product Details - **Age range (description):** 8 years + - **Brand:** Ravensburger - **Item dimensions L x W x H:** 33.8 x 33.8 x 5.5 centimetres - **Material:** Acrylic Cardboard - **Size:** Medium ## Images ![Ravensburger GraviTrax Add on Trax Pack - Marble Run, STEM and Construction Toy For Kids Age 8 Years and Up - Image 1](https://m.media-amazon.com/images/I/61P7csmFh5L.jpg) ![Ravensburger GraviTrax Add on Trax Pack - Marble Run, STEM and Construction Toy For Kids Age 8 Years and Up - Image 2](https://m.media-amazon.com/images/I/91G1oVDHF1L.jpg) ![Ravensburger GraviTrax Add on Trax Pack - Marble Run, STEM and Construction Toy For Kids Age 8 Years and Up - Image 3](https://m.media-amazon.com/images/I/61VYbPR4DmL.jpg) ![Ravensburger GraviTrax Add on Trax Pack - Marble Run, STEM and Construction Toy For Kids Age 8 Years and Up - Image 4](https://m.media-amazon.com/images/I/81PiLSxWS2L.jpg) ![Ravensburger GraviTrax Add on Trax Pack - Marble Run, STEM and Construction Toy For Kids Age 8 Years and Up - Image 5](https://m.media-amazon.com/images/I/61GHEYsJujL.jpg) ## Questions & Answers **Q: Can a first grader that builds Lego sets for 7-12 year olds build this ?** A: My son is 6 years old and he obsessively spends hours working on marble runs using Gravitrax. (he builds lego technic sets with 1k+ pieces that are for ages 11+ years old, and he's been playing with other marble runs for at least a 2 years) **Q: 27601 vs 27602 expansion set** A: Hi Jon and great question! 27601- Is an expansion set that gives you more trax pieces and will add more surface area. 27602- Is an expansion set that gives you more of the building pieces. This will give more height **Q: i want the complete set as show on video; so what products do I need purchase?** A: Hi - you would need 3-5 Starter Sets, 3-5 Trax Expansion, 3-5 Building Expansion, 1 Hammer and 1 Loop. **Q: Does this set include additional base plates?** A: Hi - the Gravitrax Lifter comes with 27 pieces, including 1 lifter action tile, 7 silver marbles, 1 transparent level, 8 large height tiles, 4 small height tiles, 1 large track, 2 medium tracks, 3 small tracks. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent addition *by on Reviewed in the United Kingdom 28 April 2021* Excellent addition to the main Gravitrax I bought for my grandson for Xmas. He just loves this product and spends hrs building and playing with it. ### ⭐⭐⭐⭐⭐ Really useful add on. *by on Reviewed in the United Kingdom 30 December 2019* It's not until you buy the starter kit do you realise how important the grey risers are. This set doesn't look like much but adds considerably to your build options. Great set. ### ⭐⭐⭐⭐⭐ excellent *by on Reviewed in the United Kingdom 25 May 2025* Excellent customer service ## Frequently Bought Together - Ravensburger GraviTrax Add on Trax Pack - Marble Run, STEM and Construction Toy For Kids Age 8 Years and Up - Ravensburger GraviTrax Extension Zipline - Marble Run STEM, Building and Construction Toys for Kids Age 8 Years + - Ravensburger GraviTrax Power Extension Elevator - Marble Run, STEM, Building and Construction Toys for Kids Age 8 Years Up --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/71217417-ravensburger-gravitrax-add-on-trax-pack-marble-run-stem-construction](https://www.desertcart.be/products/71217417-ravensburger-gravitrax-add-on-trax-pack-marble-run-stem-construction) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-07-05*