lego mindstorms robotic invention system 2.0

Age 12+ good condition Designed to run on Windows 98 and ME. Battery box has suffered leakage in the past. Installing new batteries the unit runs - see last photo.

I have replaced a transparent piece which can be seen in the inventory with a transparent light tube. (which is what ...Age 12+ good condition Designed to run on Windows 98 and ME. Battery box has suffered leakage in the past.

Installing new batteries the unit runs - see last photo. I have replaced a transparent piece which can be seen in the inventory with a transparent light tube. (which is what the sellers of lego parts show as the correct item).

All other pieces present including manual, software disc and light sensor test pad. Note: it requires 6 AA batteries - not supplied.