Encourage your kid to develop spatial thinking and an understanding of Science, Technology, Engineering and Mathematics (STEM) principles with this marble-run construction toy made with durable wood and nontoxic, water-based paints.What it does: A German-engineered design inspired by Da Vinci Circle features spiral gutters to create more run-time for the marbles and a catcher to easily collect marbles at the end of the run. The playset can be reconfigured for endless layout possibilities. Additional features: An enclosed guidebook.Includes: 14 distributor blocks, three curve rails, a straight rail, a spiral twist, eight height adjusters, four stabilizer rings, six accelerators, two hole shutters, 50 marbles, two small and one large spiral gutters and one catcher. Warning: Choking hazard. Small parts. Not for children under 3 years Ages 4 years and up Compatible with all Hape Quadrilla sets 4.62 lb. Wood/plastic/glass Imported