Introducing the world's longest spinning 38 gram masterpiece
Momentum is now available to the public
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Visit our online store and order gifts to ship
for summer birthdays and other celebrations! Momentum is a physics experiment that is seriously fun for everyone and now YOU can own it. Originally launched as a Kickstarter campaign, we met our funding goal in just 28 hours. See for yourself why Momentum is so addictive! Momentum is hand-powered with the single pull of a string. More than the world's longest spinning 38 gram top, this is a completely new way to experience Newton's Laws of Motion by accelerating from zero to 15,000 rpm in less than one second! Can you break the 20-minute spin time record? |
Beautiful MasterpieceDesigned by inventor Jason Harrelson using only only a pen and paper, Momentum's minimalist design captures the imagination of all who witness its elegant simplicity.
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Incredible Velocity
Accelerate from Zero to 15,000 RPM in less than ONE second using only your hands. With this much angular momentum, it literally looks, sounds and feels alive!
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Record Spin Times
Learning to spin Momentum is easy. Mastering your technique to achieve a 20-minute spin is a worthy challenge.
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