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Boost your speed using magnetic force! Launch the marble through your run by adding the cannon. The high-powered magnet gives the marble speed to help extend your run by boosting it up inclines and down tracks. This accessory also includes 3 additional marbles. GraviTrax Starter-Set required Contents: Instructions (D, F, EN, NL, E), 1 Magnetic Cannon, 3 Balls
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🇺🇸 Ship from USA · On Agora since 2026
$11.99