Gravitrax Action Pack - Transfer Stress Relief ejecting an empty cartridge case

ejecting an empty cartridge case and chambering a new round from the magazine

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Gravitrax Action Pack - Transfer Stress Relief ejecting an empty cartridge caseGraviTrax 4th Generation Add on: Propel the action! The Transfer takes your marbles over a breath taking gap for a spectacular eye catcher! Combine the Transfer with your GraviTrax Starter Set (sold separately) to get your marbles across longer distances. How far will your marbles travel? Unlimited fun thanks to endless possibilities. GraviTrax is an interactive, flexibly expandable marble run system. View our full Gravitrax range.