◆ Quadrilla Twist & Rail Set Quadrilla Twist & Rail Set 51 marbles ◆ Quadrilla Melody Basic Set Quadrilla Melody Basic Set 21 marbles. One small light orange plate is missing. One extra blue plate is included. ◆ Quadrilla Basic Set Quadrilla Basic Set 51 marbles. There is damage around the center of the spiral course, but the rotating action is fine. This is a large 3-piece set. Used item. No box. There are minor damages and color transfers. There are extra marbles, and some have been added. Will not be sold separately. Will be shipped in simple packaging. Combined purchases and questions are welcome. I am also selling other fun educational toys. Toys, educational toys, wood, wooden, Quadrilla Quadrilla Twist and Basic Marble run, rail, lane Additional set, booklet, guide