Hape Quadrilla is a High Quality Wooden Marble Run Construction System. It provides QUALITY TIME for the whole family to play together. The BEST GIFT for your loved ones. It provides endless creative building possibilities and encourages spatial thinking and problem solving. Each of the seven different color blocks has a different function and it's the world's only kinetic marble run. Loop de Loop has won “Spiel Gut” (Good Toy) Award and Oppenheim Toy Portfolio Platinum Award. Providing over a thousand happy playing hours, Quadrilla is worth every penny. All Quadrilla marble run sets are crafted with heirloom quality birch and rubber wood for long-lasting marble racing fun. 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. This 130-piece set includes marbles, a seesaw, straight and curved rails, and accelerators.The Loop de Loop by Quadrilla is the pinnacle of marble runs, featuring a special funnel with two entrances so marbles can approach from both sides and go head to head. Construct a massive variety of winding marble highways and byways, or combine the Loop de Loop with other sets to create a skyscraper of a marble run. As with other Hape Quadrilla Marble Run Construction Set, it combines easily with other Hape Quadrilla products for expansion and unique combinations that will enhance your child's play experience.