Everbright: A Giant Interactive Light Toy That’s Like a Lite-Brite for Grown-Ups via Colossal

At 42x the size of a traditional ‘Light-Brite’ toy, the Everbright by San Francisco-based Hero Design is a huge grid of adjustable LEDs for drawing with light. But instead of only a limited selection of individual colors, the Everbright relies on 464 dials that change in hue as you twist

Source: Everbright: A Giant Interactive Light Toy That’s Like a Lite-Brite for Grown-Ups via Colossal

This definitely falls into the “neat” category.

Make this programmable over wifi and it gets even neat-er.