Arexx RP5
The RP5 is a toy-sized barebones chassis for home robotics projects. It includes 2 DC motors, optical encoder wheels attached to the traction wheel axis, and a battery holder for 6 Mignon batteries. The RP5 is an obsolete product and has not been on sale for many years now.
RP6
The RP6 was a tracked vehicle robot built on top of the RP5. It was designed by the company Arexx Engineering and sold in Germany by Conrad Electronics in the late 2010s. Arexx Engineering have since stopped operating their original website (http:arexx.com). Detailed information about the RP6 and the improved version RP6v2 is still available on these websites: