Hape Quadrilla Twist and Rail Set - 98 Piece, 50 Marble
The most challenging of sets within the family of Quadrilla marble runs. Because of the straight rails, many accelerators and two seesaws, this set has endless possibilities for 3-dimensional thinking and technical understanding. Playing with Quadrilla marble runs is certain to enhance 3-dimensional thinking, creativity, cause and effect and an understanding of how things work technically. Quadrilla is the Ultimate Marble Run Building Set. Contents: 98 pieces, 50 marbles, 1 book. Durable child safe paint finish and solid wood construction are hallmarks of Hape toys. Hape's toys stimulate children through every stage of development and help nurture and develop their natural abilities. All Hape products sold in North America meet or exceed all applicable safety standards.