Tumble Bot was a heavyweight robot intended for entry into German Robot Wars[1]. However, for unknown reasons, Tumble Bot ultimately did not compete in the series.
Leading up to the filming of German Robot Wars, Tumble Bot was among a list of 20 robots slated to compete in the series[2] (including the Germany v England Special), to be entered by Lars Kustner. However, for unknown reasons, Tumble Bot did not appear in the series, and as a result no information on the robot's design is available.