Add a whole new 'spin' to your writing with a Nanogirl fidget spinner pen!
Thanks to science, you can give the top a small spin, producing momentum that makes the top go and go and go. You can spin it while holding or writing, and will even spin when balanced upside down on a hard surface.
A fun, therapeutic and useful item to keep around while making notes on all your scientific discoveries.
Yellow Nanogirl pen with black ink.