--- product_id: 634289983 title: "- GraviTrax PRO: Vertical Expansion Set - Advanced Marble Run STEM Toy | EncourAgess Experimentation and Creativity | Compatible with All GraviTrax Systems | Gift for Kids Ages 8+" brand: "ravensburger" price: "£34.23" currency: GBP in_stock: true category: "Ravensburger" url: https://www.desertcart.co.uk/products/634289983-gravitrax-pro-vertical-expansion-set-advanced-marble-run-stem-toy store_origin: GB region: United Kingdom --- # 100% compatible with all GraviTrax sets STEM-powered gravity & magnetism 33-piece vertical expansion - GraviTrax PRO: Vertical Expansion Set - Advanced Marble Run STEM Toy | EncourAgess Experimentation and Creativity | Compatible with All GraviTrax Systems | Gift for Kids Ages 8+ **Brand:** ravensburger **Price:** £34.23 **Availability:** ✅ In Stock ## Summary > ⬆️ Build Higher, Think Smarter, Play Longer! 🚀 ## Quick Answers - **What is this?** - GraviTrax PRO: Vertical Expansion Set - Advanced Marble Run STEM Toy | EncourAgess Experimentation and Creativity | Compatible with All GraviTrax Systems | Gift for Kids Ages 8+ by ravensburger - **How much does it cost?** £34.23 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/634289983-gravitrax-pro-vertical-expansion-set-advanced-marble-run-stem-toy) ## 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 - • **Seamless Compatibility:** Expand endlessly—works flawlessly with every GraviTrax system for limitless design options. - • **Award-Winning & Trusted:** Join millions worldwide who’ve made GraviTrax the #1 marble run system in the U.S. - • **Elevate Your Creativity:** Add 33 innovative pieces to build towering marble runs that defy gravity. - • **STEM Learning Meets Fun:** Engage critical thinking and problem-solving with hands-on physics and engineering play. - • **Durable & Designed to Inspire:** Crafted for kids 8+ and adults who crave creative challenges and lasting play. ## Overview The GraviTrax PRO Vertical Expansion Set includes 33 pieces—pillars, balconies, and walls—that elevate your marble run to new heights. Compatible with all GraviTrax systems, this STEM-focused toy encourages creativity, spatial reasoning, and problem-solving for kids 8 and up. With over 15.5 million units sold globally and a top ranking in the U.S., it’s the ultimate gift for curious minds eager to experiment with gravity, magnetism, and kinetics. ## Description Take your marble run higher and higher with the “GraviTrax PRO Expansion” set!Going up! The “GraviTrax PRO Expansion” set gives your marble run some extreme height! With 33 additional components including walls, pillars and balconies, you’ll create even more intricate tracks and suspended stunts. Combine with the “GraviTrax Pro Starter-Set” or any “Starter-Set” and boost your track to a new level, chock-full of tall towers, twists and stunts. Explore the endless possibilities and experience the amazing 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 instructions, 8 pillars, 4 tunnel pillars, 4 walls (2 long, 2 medium) and 16 balconies.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! ## Features - [GraviTrax PRO: Vertical Expansion] Take your marble run higher and higher with the “GraviTrax PRO Expansion” set! This set includes 33 pieces to help build your marble run. - [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 | B0BSXD64X9 | | Age Range Description | 8+ | | Best Sellers Rank | #86,315 in Toys & Games ( See Top 100 in Toys & Games ) #80 in Marble Runs | | Brand Name | Ravensburger | | Customer Reviews | 4.6 4.6 out of 5 stars (3,318) | | EU Spare Part Availability Duration | 1 Years | | Educational Objective | Creative Skill, Imagination Development, Problem Solving, Reasoning Skill, Spatial Awareness | | Global Trade Identification Number | 04005556224272 | | Included Components | 16x balconies, 2x Walls Long, 3x Walls Medium,, 8x Pillars, 4x Tunnel Pillars, | | Item Dimensions | 13.31 x 13.31 x 3.27 inches | | Item Type Name | Marble Run | | Item Weight | 914 Grams | | Manufacturer | Ravensburger | | Manufacturer Maximum Age (MONTHS) | 1200 | | Manufacturer Minimum Age (MONTHS) | 96 | | Manufacturer Part Number | 22427 | | Material Type | Plastic | | Model Number | 22427 | | Set Name | GraviTrax PRO Vertical Expansion | | Size | youth large / 11-13 | | Sub Brand | GraviTrax | | Theme | Challenging, Creativity, Eduuational, Engineering, Science | | Unit Count | 1.0 Count | ## Images ![- GraviTrax PRO: Vertical Expansion Set - Advanced Marble Run STEM Toy | EncourAgess Experimentation and Creativity | Compatible with All GraviTrax Systems | Gift for Kids Ages 8+ - Image 1](https://m.media-amazon.com/images/I/61i0ff1UnWL.jpg) ## Available Options This product comes in different **Style** options. ## Frequently Bought Together - 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+ - Ravensburger GraviTrax: Jumper Accessory| 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: 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 --- ## 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.co.uk/products/634289983-gravitrax-pro-vertical-expansion-set-advanced-marble-run-stem-toy](https://www.desertcart.co.uk/products/634289983-gravitrax-pro-vertical-expansion-set-advanced-marble-run-stem-toy) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-07-01*