Turn the marble upside down with the Loop accessory. Experiment with how much speed the marble needs to loop-the-loop. This accessory also includes 6 additional tracks. GraviTrax Starter-Set required.
Send your ball for a loop!
Ages: 8+
Turn the marble upside down with the Loop accessory. Experiment with how much speed the marble needs to loop-the-loop. This accessory also includes 6 additional tracks. GraviTrax Starter-Set required.
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Toy Store in Seattle, WA
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Ravensburger Gravitrax Loop Accessory - Marble Run & STEM Toy for Boys & Girls Age 8 & Up - Accessory for 2019 Toy of The Year Finalist Gravitrax : Toys & Games