The Solarbotics GraviTrack Solar Marble Machine Kit


Posted By Solarbotics

Sep 18th 2017

Our Solar GraviTrack Marble Machine Kit (SKU 60415) is our newest addition to the Marble-Drop mechanism family. The Solar version 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!

Price - $38.00 USD

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Features

The power-efficient SolarEngine circuit gathers power until enough is stored to pulse the motor. Direct light is not necessary, but the more light it receives, the more often it moves. (Requires a minimum of reading-light level illumination)

Easy wood construction

Slot and tab construction with laser-labeled parts makes assembly easy.

Precision laser-cut wood frame

Being laser-cut from engineered medium-density fiber board ensures dimensional accuracy and easy construction.

Successful project guarantee

Don't fret if a piece or component gets lost or damaged - our Successful Project Guarantee means we've got your back. You bring the effort & tools, and we'll make sure you have everything else.

Specifications

  • Intermediate skill level - ages 12+
  • Soldering required
  • Basic hand 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

See the GraviTrack Battery

Currency


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