Asked
— Edited
How many Ez-b4's do you think it would take to control this spider? this is nice I wish I could have seen it in person.. 
Soundboard (EZB)
— Play WAV/MP3 via EZ-B v4, manage tracks, add timed scripts for synced robot actions, control via ControlCommand(), volume and clipping indicators.
Try it →
Very cool. Looks like all Hydraulics and is build and operated like a backhoe. I see the "driver" operating leavers near the head.