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2ND TRY – will the marble finish?

Build this track with app code 6OEJGJD669. Go into the GraviTrax app and enter the …

2 comments

  1. It’s a vertical Lego technic adapter

  2. It’s the new 3d printed pieces to help maintain strength when building up higher with pro pillars. You used this for the Gravitrax towers and bridge.

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