Andrew Reynolds: "yardsale"
Dave Johann: "Worst of all the Robos. I wouldn't buy another even for $1"
Sean Harrington: "Ho hum. Silver spikes are cool for my minifigs."
Molly Friedrich: "my manual says this is set #8513"
Martin Scragg: "Set number should be 8513!"
Eric Joseph Keef: "Got some good liftarms. Oh and spikes"
Dewayne E. Cushman: "42 pcs"
David Stosser: "Code please? mine has a no fuction canister!"
Kyle Beatty: "Oooo! Glow in the dark wheels!"
Nico Beaumont: "It was a gift... but, what the heck is this???"
Brian Alano: "8512 is actually Onyx, not Dust"
Mark Chittenden: "Adjustable suspension nice idea, but model is not stable enough to free roll."
Aaron Sneary: "What are these things?"
Dave Church: "these where definatly a step on the road to bionicle but never got the story line or the 'enemys' to fight against"
Jeff Beaty: "some okay technic parts, otherwise the roboriders never "did it" for me"