Are you sure?????? I looked at the image on lugnet and did not see the girder parts.... (...) (24 years ago, 13-Dec-00, to lugnet.market.buy-sell-trade)
The mindstorms Exploration Mars set 9736 has the griders in black. I believe there are two. There might be as many as four, but I believe there are two. It's a pricey set but a good one to look for on clearance. (...) (24 years ago, 14-Dec-00, to lugnet.market.buy-sell-trade)
