This Makeblock 6P6C RJ25 Cable is compatible with Makeblock electronic modules.
The Makeblock Bracket Robot Pack contains most frequently used brackets and plates in Makeblock platform, which you can use to make special constructions.
The Makeblock Me Compass is a 3-axis digital compass. The main chip is Honeywell HMC5883L. On-board regulator provides stable power for HMC5883L.