The flex systems is available as a service kit from Lego in the UK, the number is 5118, price is £6.60. I don't know if it is available from S@H in the US. According to the UK service catalog, it contains 10 of the little 1/2 gray bushing (...) (26 years ago, 16-Apr-99, to lugnet.market.buy-sell-trade)
(...) I recently tried to order those from the S@H in the U.S. and hte lady said it was discontinued. I guess that means it's not in thier system :P. Is there any way to petition Lego® to add service packs? Thanks John (26 years ago, 17-Apr-99, to lugnet.market.buy-sell-trade)