Every Hape Every Quadrilla marble run is different and provides a combination of a great mix of spins, drops, seesaws, and speed that will have marbles going every which way!, The Cliffhanger includes three gutters that make your marbles around the outside of the colored blocks on their way to the bottom. It looks cool, and it extends run time. As with every Hape Quadrilla Marble Run Construction Sets, it combines easily with other Hape Quadrilla products for expansion and unique combinations that will enhance your child's play experience., Develop Your Childs STEAM Skills, The Hape Marble Run has been designed to stimulate your childs understanding of the STEAM (Science, Technology, Engineering, Art and Mathematics) principles. It will greatly improve your childs logical and engineering thinking., Improve Your Child's Motor Skills, Not only will it develop your childs STEAM skills it will further enhance your childs hand-to-eye coordination, dexterity and manipulation abilities., Hape Quadrilla Marble Run Finishes, Hape Toy finishes are all non-toxic, child safe and of the highest quality. Hape constructs their toys using FSC accredited wood products. Hape toys stimulate children through every stage of development and help nurture and develop their natural abilities. All Hape products meet or exceed all applicable safety standards.