Troy Cefaratti: "Large Black Plates! Girders!"
Scott Sanburn: "Neat."
Jan-Albert Van Ree: "Probably the worst parts selection for expension set"
Dean Husby: "Some Great pieces!"
Jeff Small: "I'd like this one just because I've gotten all the other add on kits"
Stephen Moraco: "good parts and challenges, keep them coming!"
Gustavo A. Brinck: "007"
Bill Castello: "Wonderful set, great manual, new challenges. A- here"
L. Wayne Precht: "This is the best addition to Mindstorms yet."
Rich Jenkins: "This kit really looks like fun, but can I just buy a 'Mars Yard'?"
Carl Jagt: "Worm gear boxes are valuable, but should be in the RIS"
Mark Chittenden: "Nice expansion for Mindstorms"
Arne Nielsen: "Bought April 2004, appx $20 (129 DKr)"
Dean Maher: "Some usful elements and good challenges."
Erik B: "Nice! 2 black lattice pillars and 4 big Insectoid legs! 4 small Technic shock absorbers, 2 long 9V wires and quite a lot of nice gears!"
Roy Nelson: "Don't pay full price for it."
Angus Looney: "got at 50% off"
: "pathetic set but good to have in a collection if you are a collecter."
Øyvind Steinnes: "Kjøpt ett for 499,- i Januar 2004"
Harri Manni: "Found on sale for seven dollars!"
Tom Phillips: "Chad. Great expansion set."
Jeff Beaty: "i liked this expansion for some of the interesting mechanical designs and the worm gear box."