Pieces are light/bright blue with a few yellow pieces for the chain lift and switching mechanism.  Most pieces are brand new, unused with no original packaging.  All pieces are in excellent clean condition.  Pieces may show some minor signs of handling but no bends, kinks, or damage consistent with use.

These pieces are compatible with the K'nex yellow marbles measuring approximately 3/4" diameter (each lot includes four of the marbles).  The straight track pieces measure approximately 5" long.  They require smaller Micro pieces to attach into a larger build.  You will receive 10 straight track pieces with each lot purchase, as well as everything shown in the photos.  Includes many of the specialty handling pieces for the marbles- chutes, flexible according tubing, clips, trays for catching the marbles as they move through the device, yellow clips for the chain lift, collection trays and others.  54 total pieces with each lot.  Multiple lots available with quantity discounts.