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. 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. 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. Compatible with other Hape Quadrilla Marble Run, but is not compatible with Hape Marble Run E1100 E1101 E1102.Details:Multicolored134 piecesNontoxicWoodFor ages 4 and up