GraviTrax Marble Runs GraviTrax PRO Add on Splitter

PRO Add on Splitter

by GraviTrax

$22.95 ~~$25.95~~ /

🐨 100% Australian | Owned & Operated

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Also available in a bundle

Watch the floor drop out beneath the marble, triggering a mechanical switch for the next racer.

🔀 Dynamic routing sends marbles on different paths automatically
🏗️ Vertical play encourages building higher, more complex tracks
🧠 Logic building teaches cause-and-effect without a single battery

The Educator's Note

It turns a static track into a dynamic one, changing the route automatically with every marble pass.
Encourages vertical building, helping kids use the full height of the PRO pillars effectively.
Great value add-on that introduces a complex mechanical concept without needing batteries.

Play Specifications

🧒 8 years +

Recommended for ages 8 years +

🧱 Builder

Construction & Engineering

🔬 Scientist

Curiosity & STEM

🔊 Moderate

Medium volume

🏠 Indoor

Living Room / Playroom

👤 Independent Play

Solo / Self-Correcting

👥 Group Play

Collaborative / Multi-Player

🧠 Cognitive

Problem Solving & Logic

🤏 Fine Motor

Precision & Grip

💡 Creativity

Innovation & Imagination

The Educator's Note

It turns a static track into a dynamic one, changing the route automatically with every marble pass.
Encourages vertical building, helping kids use the full height of the PRO pillars effectively.
Great value add-on that introduces a complex mechanical concept without needing batteries.

Play Specifications

🧒 8 years +

🧱 Builder

🔬 Scientist

🔊 Moderate

🏠 Indoor

👤 Independent Play

👥 Group Play

🧠 Cognitive

🤏 Fine Motor

💡 Creativity

The GraviTrax PRO Splitter adds a moment of genuine suspense to their track designs. Instead of a predictable loop, the marble rolls onto a trapdoor and drops to the level below, while a mechanical flap pivots to change the direction for the next ball. It turns a static run into a living machine. This is where they transition from simple stacking to real engineering. By planning how the track changes after every pass, they are experimenting with variable outcomes and mechanical logic. It's a brilliant challenge for builders aged 8 years+ ready to add complex layers to their vertical worlds.

This expansion is perfect for the builder who has mastered the basics and wants to create tracks that change and react.

The Master Architect (8-12 years) looking to add height and mechanical complexity to their layouts.
Siblings who race marbles and want a track that splits the pack automatically.
STEM enthusiasts who love seeing how simple mechanics can control complex systems.

The Element of Surprise

Standard marble runs can get predictable—the ball always goes the same way. The Splitter changes that. As the marble rolls onto the platform, it drops through a trapdoor to continue its run on the level below. But the magic happens in the mechanism: as the ball falls, it flips a flap that changes the path for the *next* marble. This means the track evolves as they play, forcing them to think about multiple routes simultaneously.

Engineering Verticality

Part of the PRO series, this element is designed to help them build upwards. It solves the common problem of how to get marbles from a high tower down to the finish line without losing momentum. They can place the Splitter on a suspended balcony, drop the marble through to a curve below, and keep the energy flowing. It integrates seamlessly with their existing white GraviTrax Starter Set, adding height and drama to the layout.

A Living Track

Because the Splitter resets and changes with every pass, it's perfect for multi-marble races. One ball might take the low road, while the next is diverted elsewhere. It encourages them to test, tweak, and redesign their course until the timing is perfect. There are no batteries or electronics here—just clever physics and gravity doing the work.

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PRO Add on Splitter

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Why gift givers choose this

Extends Play Value breathes new life into old starter sets by adding a new mechanic.
No Batteries relies entirely on gravity and kinetics, so the fun never runs out of power.
Teaches Logic demonstrates real engineering principles like switching and routing in a hands-on way.