Take your marble runs to the next level with the GraviTrax Ravensburger Hammer, an action accessory designed to give your marbles a much-needed momentum boost. As the marble slows down on its path, the Hammer swings into action, striking it forward with renewed energy making longer, more complex tracks possible.

Compatible with all GraviTrax starter sets and expansions, the Hammer accessory fits seamlessly into your existing builds. It’s a clever tool for young engineers to experiment with the effects of force and motion, offering a deeper understanding of kinetic energy in a playful, hands-on way. Whether you’re building a simple run or an advanced layout, the Hammer adds an exciting element of unpredictability and power.

Perfect for children aged 8 and up, this STEM-enhancing add-on keeps kids engaged while encouraging problem-solving and critical thinking. It’s a compact but mighty component that enhances any GraviTrax experience, making it a fantastic gift for birthdays, holidays, or as a treat for young tinkerers. When creativity meets physics, the fun never stops.

🔨 Boost the Momentum – The Hammer gives your marble a powerful hit, keeping the action going by adding extra force when speed drops mid-track.
⚙️ Expand Your GraviTrax System – Designed as an add-on accessory compatible with all GraviTrax starter sets and expansions for unlimited track variations.
🎓 STEM Learning in Action – Helps kids understand kinetic energy, force, and motion through hands-on play that’s both fun and educational.
🧠 Spark Creativity – Encourages kids to think critically and adjust their track builds to include strategic momentum boosts for longer runs.
🎁 Compact Yet Powerful – A perfect gift or stocking stuffer that delivers big impact in small packaging for fans of the GraviTrax system.
🛠️ Easy to Integrate – Simple to install into any existing layout; just place, connect, and launch to experience the hammer in motion.

GraviTrax Ravensburger Hammer – Action Accessory for GraviTrax Marble Run