Hape - Quadrilla Marble Twist II - Marble Railway in Wood Endless design possibilities with the new 137 piece Quadrilla Marble Twist Set Hape toy finishes are all non-toxic, child safe and of the highest quality Contains 87 pieces and 50 marbles with handy drawstring pouch Create an infinite number of marble runs with one great set! Quadrilla is the Ultimate Marble Run Building Set