Ohbot 2.
1 Educational Robot with Graphical Block Software - Ohbot 310, These Ohbot replacement eyeballs allow Ohbot to express itself using colour.
The eyes replace your existing Ohbot eyes and plug directly into pin 13 on the OhBrain control board.
Program via the Ohbot software to light in any colour, flash or chase through sequences of colour.
Ohbot 310 Illuminating Eyes