Button Head Socket Cap Screw is a new kind of Socket Cap Screw, it has smaller head that can solve most problem of interfere with other components.
2.The DC Motor-37 Bracket in this kit may be DC Motor-37 Bracket A or DC Motor-37 Bracket B, they are in different shape but the usage are the same.
This kit can be used to build a moving platform, wheeled robot or tracked robot, different wheel configuration and track configuration are avaliable. a robot arm and a robot gripper can be added on the moving robot, there are spare parts for building other kind of structure. The robot arm is driven by a DC motor through timing belt transition mechanism.
Guide for building the robots: