Hape Quadrilla Rail Set – 102 Piece, 100 Marble Hape International B008E6G3TY The Quadrilla Marble Run Rail Set is a great challenge because the many straight rails, accelerators, and two seesaws. Endless possibilities for 3-dimensional thinking and technical understanding. Each straight rail has up to 5 precisely drilled holes and offers lots of creative opportunities. …Hape Quadrilla Rail Set – 102 Piece, 100 Marble Product Title Hape Quadrilla Rail Set – 102 Piece, 100 Marble #102664 in Toys & Games Hape International E6002 13.00″ h x 5.50″ w x 21.00″ l, Nice mix of straight and curved rails for building runs Absolute highlight is the red seesaw Quadrilla is the Ultimate Marble Run Building Set Hape toy finishes are all non-toxic, child safe, and of the highest quality All products comply with EN71 and ASTM quality standards-Wood used come […] >>> More Details…