GraviTrack Marble Machine Kit - Solar Version

Our Price: CAD $49.40

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MFG Part #: 60415
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Qty Breaks: 5-9 10+
Our Price: CAD $46.93 CAD $44.46
The Solarbotics Solar GraviTrack Marble Machine Kit pulse-moves the elegant hand-off mechanism that passes marbles to the top of a sweeping multi-level track. You will witness the fascinating step-by-step action of the arms as the geometry changes periodically. Patience is rewarded with the plunk, and rollll of a successful motion cycle. The more light it gets, the more often it moves. It's solar-powered stop-action motion!

  • Intermediate skill level - ages 12+
  • Basic hand tools required (Phillips screwdriver, craft knife, wood glue)
  • Soldering tools required
  • No batteries included (or needed - it’s solar powered!)
  • 3 hour build time
Kit includes:
  • 1 x Set of laser-cut wood parts
  • 1 x GM3 Motor
  • 1 x 37x66mm solar cell
  • SolarEngine circuit board & components
  • 1 x GMW Motor mount
  • 4 x 3/8" steel marbles
  • Assembly hardware
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