Ravensburger GraviTrax Obstacle Course Set – STEM Marble Run & Gravity-Powered Tracks

Ignite curiosity with gravity-powered marble runs

The Ravensburger GraviTrax Obstacle Course Set invites kids 8 and up to lead, design, and test their own marble tracks. Watch the marble glide, bounce, and zip through a landscape of magnets, ramps, and loops as ideas become tangible tests. The system blends tactile play with tangible feedback, inviting kids to observe cause and effect as they tinker with the track layout.

Built around gravity, magnetism, and motion, this modular system can be reconfigured in minutes to fit new questions, challenges, or classroom goals. It starts with the familiar starter components and adds five expansion elements—Trampoline, Zipline, Transfer, Spiral, and Bridges—to broaden creative possibilities. The pieces snap together with satisfying clicks, encouraging quick experimentation and looping retries without a steep setup barrier.

Whether used at home or in a group, GraviTrax encourages observation, iteration, and careful planning without rigid instructions. The same pieces can evolve from quick builds to intricate routes as interest grows, making it a flexible STEM companion for years to come. Its portable size makes it easy to pull out for a focused challenge or a longer build session that stretches imagination.

What you can explore with GraviTrax

• Hands-on exploration of gravity, velocity, and magnetism through real-world play
• Design challenges that reward problem solving, trial, and adjustment
• Open-ended projects that support independent play or collaborative group work
• Reusable components invite redesigns and repeated testing
• Quick-start setup makes ideas playable in minutes
• Sensory feedback from clicks, clacks, and marble sounds enhances engagement

Expandability and discovery

• All GraviTrax sets are compatible, enabling endless track configurations
• Five expansions extend pathways, add new behaviors, and increase replay value
• Award-winning design plus a track system with broad consumer appeal
• A versatile gift idea for curious minds seeking hands-on learning
• Clear, magnetic connections speed up reconfiguration and experimentation
• Durable construction supports daily play and longer-term projects

Getting started is straightforward, and the tracks invite quick wins as well as longer, more complex builds. The GraviTrax ecosystem supports collaborative play, solo challenges, and classroom-style problem solving, all while keeping the focus on exploration rather than guarantees. With this set, possibilities become projects, and play becomes a pathway to understanding how simple physics concepts come alive in a tangible maze of marble paths.