Endless design possibilities with the new 137 piece Quadrilla Marble Twist Set</br>Hape toy finishes are all non-toxic?? child safe and of the highest quality</br>Contains 87 pieces and 50 marbles with handy drawstring pouch</br>Create an infinite number of marble runs with one great set!</br>Quadrilla is the Ultimate Marble Run Building Set</br></br>Product Description</br></br>The design possibilities are endless with the new 137 piece Quadrilla Twist Set. Create an infinite number of marble runs with one great set! After creating a personalized design?? release the marbles and watch them race down the track! Set is accented by brilliantly colored wood. Hape toy finishes are all non-toxic?? child safe and of the highest quality. Includes curved ramps?? straight rails?? connecting blocks?? accelerators?? and great action pieces! Contains 87 pieces and 50 marbles. Includes instructions for 3 Rail Combinations. Ages 4+</br>