http://mandarinconlabarba.github.io/react-sandbox/cube-rotate/index.html
An adaption of this really cool codepen: http://codepen.io/HugoGiraudel/pen/GLbca
Basically uses hardware-accelerated CSS, React, and React-Motion.
http://mandarinconlabarba.github.io/react-sandbox/cube-rotate-mouse/index.html
Same as the Cube Spinner, but tied to mouse movement.
http://mandarinconlabarba.github.io/react-sandbox/mosaic-words/index.html
A pure-function mosaic/tile generator. The idea being to represent state in an interesting way.