GraviTrax Australia - STEM Marble Run Construction System for Ages 8 and Up
GraviTrax is a marble run construction system produced by Ravensburger, the German toy and puzzle manufacturer. GraviTrax was introduced in 2018 and is designed for children aged 8 and up. The system uses a modular tile-and-rail format - builders assemble a baseplate, connect track tiles, and add action elements before releasing a steel ball to travel through the completed run. GraviTrax is designed to teach physics concepts including gravity, kinetic energy and momentum through hands-on building and experimentation. Peekaboo Baby is an authorised Australian retailer for GraviTrax, stocking starter sets, expansion packs and GraviTrax PRO sets. Free shipping applies to orders over $129.
GraviTrax marble run sets are designed to expand over time. Every GraviTrax piece is compatible with other GraviTrax pieces (within the same product line), so a Starter Set purchased today can be expanded with any expansion pack or action element. Browse the full GraviTrax range in the building and construction toys category or explore the educational toys range for complementary STEM options at Peekaboo Baby.
GraviTrax marble run starter sets
The GraviTrax Starter Kit is the recommended first purchase for children new to the system. Priced at approximately $130, it includes a baseplate, track tiles, rails, steel balls and a selection of action elements - enough to build several different track configurations from the box. The system is intentionally open-ended - there is no single correct track layout, and builders are encouraged to experiment with different configurations. The GraviTrax PRO Starter Set (approximately $180) is the advanced entry point, using a vertical building system with steeper angles and more complex engineering challenges suited to children who have mastered the standard GraviTrax range.
GraviTrax expansion packs and action elements
GraviTrax expansion packs add new track pieces, tiles and components that extend the length and complexity of marble runs. Expansion packs include Trax (more track pieces), Building (support structures), Lifter (a motor-powered lifting mechanism), Tunnels and Bridges sets, all at approximately $50 each. Action elements add mechanical interactions to the marble run - the Zipline, Magnetic Cannon, Looping and Trampoline action elements cause the marble to behave in different, more complex ways. The GraviTrax PRO Vertical Expansion Set ($70) adds vertical builds to the PRO system. All GraviTrax expansion packs and action elements are sold at Peekaboo Baby.
GraviTrax compatibility
GraviTrax Starter Sets, Expansion Packs and Action Elements within the standard GraviTrax range are all compatible with each other. GraviTrax PRO sets are also internally compatible. GraviTrax and GraviTrax PRO are not cross-compatible due to the different rail heights used in each system. When building a GraviTrax collection, all purchases should be from either the standard range or the PRO range but not mixed between the two.
What to look for in GraviTrax sets
Starter Set as entry point - The GraviTrax Starter Kit at approximately $130 is the recommended first purchase. It includes all components needed to build a complete marble run and introduces the building logic of the system. Buying expansion packs before a Starter Set is not recommended as the core components are needed for any build.
Age recommendation 8+ - GraviTrax is designed for children from 8 years. The system requires spatial reasoning, fine motor skills for connecting small track pieces and the perseverance to troubleshoot marble runs that do not work as expected. Younger children from 5 years can participate with adult guidance.
STEM learning content - GraviTrax is designed to teach physics through play. Children learn about gravity (falling), kinetic energy (speed), momentum (collisions) and cause-and-effect relationships through the process of building and testing runs. This makes it a practical STEM toy as well as a construction toy.
Open-ended design - There is no single correct GraviTrax build. The system is designed for experimentation and iteration - builders design a run, test it, identify where the marble stops or falls off, and modify the build to fix the problem. This supports problem-solving and engineering thinking skills.
Expandability - All standard GraviTrax pieces connect to each other. A Starter Kit purchased today connects with expansion packs purchased next birthday. The GraviTrax catalogue includes dozens of expansion packs and action elements that can be added incrementally.
Ravensburger quality - GraviTrax is manufactured by Ravensburger, which has produced quality toys and games since 1883. GraviTrax components are made from high-quality plastic with precise tolerances to ensure marble runs work reliably when correctly assembled.
Pair GraviTrax with other STEM toys at Peekaboo Baby
GraviTrax pairs well with other construction and STEM-focused toys in the Peekaboo Baby range. For children who enjoy GraviTrax, the Ravensburger puzzles and board games range from the same manufacturer is a natural complement. For broader STEM toy exploration, the building and construction toys category and interactive toys range offer age-appropriate alternatives at Peekaboo Baby.
GraviTrax - Frequently Asked Questions
GraviTrax is designed for children aged 8 and up. This age recommendation reflects the spatial reasoning skills, fine motor coordination and perseverance required to design and troubleshoot marble runs independently. Children from approximately 5-7 years can participate with adult guidance and help, but independent building is typically achievable from age 8. GraviTrax PRO is also recommended from age 8 and suits children who have already built with the standard GraviTrax range and are ready for increased complexity.
GraviTrax Starter Sets, Expansion Packs and Action Elements within the standard GraviTrax range are all compatible with each other. GraviTrax PRO sets are internally compatible with other PRO pieces. The standard GraviTrax and GraviTrax PRO ranges are not cross-compatible because PRO uses different rail heights. When expanding a GraviTrax collection, all purchases should be from the same product line (either standard or PRO). Peekaboo Baby clearly labels whether each product is standard GraviTrax or GraviTrax PRO.
The GraviTrax Starter Kit at approximately $130 is the recommended first purchase. It includes a baseplate, track tiles, rails, steel balls and action elements in a single box - enough to build several different marble run configurations immediately. Expansion packs should only be purchased after a Starter Set, as they require the core components to function. If the child is an experienced builder with existing GraviTrax, the GraviTrax PRO Starter Set ($180) is the next logical step for a more challenging build system.
GraviTrax is the standard marble run system that builds across a flat baseplate with gradual inclines. GraviTrax PRO uses a vertical building system that builds upward with steeper angles, creating more dramatic and complex marble run structures. PRO is designed for children who have already built with standard GraviTrax and want a more challenging system. The two product lines are not cross-compatible due to the different rail heights used in each system.
GraviTrax develops physics knowledge, engineering thinking and problem-solving skills through marble run construction. Children learn about gravity (how steepness affects marble speed), kinetic energy (how speed transfers between marbles), momentum (how far a marble travels after a drop) and cause-and-effect relationships (why the marble stopped at a particular point). The iterative building process - build, test, identify the problem, modify, test again - mirrors how engineers work. GraviTrax has been used in primary and secondary school STEM programs in Australia and internationally.
Yes. Peekaboo Baby offers free shipping on all GraviTrax orders over $129 to every Australian state and territory. The GraviTrax Starter Kit at $130 individually qualifies for free shipping. Expansion packs at $50 each qualify for free shipping when two or more are ordered together. Orders are dispatched from our Melbourne warehouse. Metro deliveries typically take 2-4 business days. Peekaboo Baby is an authorised Australian retailer for GraviTrax by Ravensburger.
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