GraviTrax POWER Element Switch & Trigger Lego Classic Medium Creative Brick Box They are educationally valuable and

They are educationally valuable and offer plenty of learning enjoyment

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Item #: 10698

GraviTrax POWER Element Switch & Trigger Lego Classic Medium Creative Brick Box They are educationally valuable andShift the direction of your marble run automatically with the GraviTrax POWER Element Switch and Trigger and take the path to exceptional fun! One track, countless possibilities! By cleverly installing the electronic GraviTrax POWER elements, the track of the marbles is controlled. With the Trigger, invisible connections can be created in combination with other POWER stones, such as the POWER Switch, POWER Starter or Lever (Not included in the