Makeblock robot grippers makeblock 86502 the robot gripper from makeblock is an add on for your mbot or mbot ranger for getting a grip on bigger objects than the mini gripper 75 0706 can the gripper is made from lightweight pvc and powered by an n20 screw motor which is protected by a thermal overload fuse suitable for the mbot 75 0701 or 75 0702 and mbot ranger 75 0699supplied as a fully assembled unitthe me dual dc motor driver 75 0713 adaptor is required to connect the gripper