Lego mindstorms ev3 intelligent brick 45500
Lego accessory arm 9 porcessor with linux based os 4 output ports hi resolution 178 x 178 pixel mini sdhc card reader for 32 gb computer to brick communication through on board usb on brick programming recommended minimum age 10 years pieces 1 series mindstorms theme robot warning not suitable for children under 36 months choking hazard due to small parts