Solarbotics GraviTrack Marble Machine Kit
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Product details
| Management number | 234967081 | Release Date | 2026/07/02 | List Price | US$17.16 | Model Number | 234967081 | ||
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- Solarbotics GraviTrack Marble Machine Kit
- Battery powered wood marble machine with two swooping arms
- Easy assembly (no soldering required)
- Comes with 4 marbles (batteries are not included)
- Ages: 12+
The Solarbotics GraviTrack Marble Machine Kit is part of the Marble-Drop mechanism family. Its swooping arms pass the marbles to each other to the top of a sweeping multi-level track. A switched battery pack smoothly exercises the mechanism. The smooth pick/hand-off/place motion is hypnotic and enchanting. No soldering is necessary.
Measuring approximately twice as wide as the original Solar or Battery Marble machine kits (at 250 x 127 x 140mm, or 10" x 5" x 5.5"), the GraviTrack is still desk-top compact but large enough for easy mechanical assembly.
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