Ravensburger GraviTrax Starter Set
Design marble runs powered by gravity, magnets and momentum
A 2026 theme-park build with a launchable coaster and spinning ride.
Best for kids who want a big, multi-session build with working rides.
This is LEGO’s own list price (checked October 28, 2026). Amazon’s price is often lower; tap above for today’s price. Paid link: Electroys may earn a commission at no extra cost to you. Listing verified October 28, 2026. See LEGO’s product page.
This 2026 LEGO City set has kids assemble a volcano-themed amusement park, including a roller coaster with a launchable three-car train and a spinning mine-cart carousel. Once built, the arcade, souvenir stand and ride camera give eight minifigures plenty to do.
Always follow the manufacturer’s age and safety guidance. Small parts may be a choking hazard for children under 3.
Design marble runs powered by gravity, magnets and momentum
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