Lego Mindstorms says an improved color sensor can detect the presence of six colors or the absence of color. The system is backwards- compatible with previous-generation Lego Mindstorms NXT robots.

Lego's Mindstorms EV3 robots are here ... and a color sensor. Up to four bricks can be daisy-chained, and the USB port and Wi-Fi connectivity allow for a wide range of expansion.

They don't necessarily need to be separated by size in to different groups; just group them by shape and color. The Mindstorms EV3 kit only comes with printed instructions to build a basic robot ...

LEGO unleashes new generation of smart toys with Mindstorms EV3 robots. Dean Takahashi @deantak. ... an IR seeker sensor, an IR beacon for remote control with six-feet range, a better color sensor ...

The sixth-grade science classes at our school built a Lego Mindstorms EV3 Robot. ... We experimented with different speeds, turning, sensing a certain color and also having it make sounds.

At $399, the EV3 is probably the cheapest and easiest customizable robot available. At $399, ...