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I made a GraviTrax Tower of Power with spinners! How long with they spin? Watch the entire marble run here: …
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3D print this World Cup Trophy with Spinning MOVA Gobe Buy the 4.5″ Earth with …
Maybe the left was spinning 300 rpm or so, but the right 400 or 500 rpm
NICE
Oooooo ๐ฎ๐คฉ๐ฑ๐๐๐ฏ
cool!