Gravitrax Expansion: Gravity Hammer

Availability: In stock

Gravitrax: Gravity Hammer Expansion Set

Add to your preexisting Gravitrax set up with the Gravity Hammer expansion set. Make your marble travel further than before with added momentum from the Gravity Hammer.



  • 8 to Adult



  • Additional track
  • Gravity Hammer addon



  • 7.5 x 7.5 x 2 inches
  • 5.6 ounces
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