The Hape Quadrilla Cliff Hanger Wooden Marble Run Construction Building Set is a great way for the whole family to play and learn together. This marble run construction set is an excellent STEM toy for helping your child develop their imagination, problem-solving skills, counting, color identification, spatial and reasoning abilities, and more.The award-winning Hape E6020 Quadrilla Cliff Hanger kinetic marble run is crafted with recycled materials like heirloom quality wood for long-lasting marble racing fun. Hape Toy finishes are all 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 particular marble run set features spiral gutters, a whirling marble catcher, and more. This massive 101-piece set is interchangeable with other sets in the Quadrilla series for more marble racing fun. Use with standard 5/8-inch or 16 mm marbles.

• Award-winning Quadrilla Series marble run will create hours of fun and learning
• This STEM toy helps your child develop their imagination, problem-solving skills, counting, color identification, spatial and reasoning abilities, and more
• Massive 101-piece set is interchangeable with other sets in the Quadrilla series for more marble racing fun
• Features spiral gutters, a whirling marble catcher, and more
• Use with standard 5/8-inch or 16 mm marbles
• Made from safe, recycled materials
• Color: Multi
• Dimensions (L x W x H): 17.7 x 3.1 x 14.2 inches
• Weight: 4.63 pounds
• Manufacturer warranty: 6-month warranty