hex flange nut for sale, brand-new and used.

Makeblock Educational Ultimate Robot Kit - Blue Radio Shack Description:This is a comprehensive robot kit for beginners to explore the robotic world or experts to build complex robots. It contains everything you need to construct your robot dreams: metal geared motors, Arduino-compatible controller, programmable RGB LED strip, different kinds of sensors, robotic gripper and other mechanical parts.It is also great for learning Arduino and Scratch programming.