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Solarbotics GraviTrack Solar Marble Machine Kit
4.7 (72 items)
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$28.88 cheaper than the new price!!
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New $48.13
Product details
| Management number | 234966436 | Release Date | 2026/07/02 | List Price | $19.25 | Model Number | 234966436 | ||
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| Category | |||||||||
- 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!
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