Solarbotics GraviTrack Solar Marble Machine Kit

SolarboticsSKU: RB-Sbo-120
Manufacturer #: 60415

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Sale price $38.00

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Description

  • GraviTrack Solar Marble Machine Kit
  • Passes marbles to the top of a sweeping multi-level track
  • Fascinating step-by-step action of the arms as the geometry changes periodically
  • Soldering required
  • Ages: 12+

The Solarbotics GraviTrack Solar Marble Machine Kit 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 roll of a successful motion cycle. The more light it gets, the more often it moves. It's a solar-powered stop-action motion!

Solarbotics GraviTrack Solar Marble Machine Kit- Click to Enlarge

  • 1 x Set of laser-cut wood parts
  • 1 x GM3 Motor
  • 1 x 37x66mm Solar cell
  • 1 x GMW Motor mount
  • 4 x 3/8 inch Steel marbles
  • SolarEngine circuit board & components
  • Assembly hardware
  • Intermediate skill level - Ages: 12+
  • Soldering tools required
  • Basic hand tools required (Phillips screwdriver, craft knife, wood glue)
  • No batteries required (It is solar powered)
  • 3 Hour build time

Customer Reviews

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D
David
Great fun

Love the finished product. Instructions could have been a little more detailed in a few areas, but easy enough to figure out and this is a fun little gadget to have sitting in the window sill. I'd buy again.

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