Quadrilla The Ultimate Marble Run

Features 36 distributor blocks and a combination of spiral twists, S-shaped rails and curve rails for the ultimate Quadrilla experience. * Marble-run construction toy made with durable wood and non-toxic, water-based paints * Includes 36 distributor blocks, 2 S-shaped rails, 5 big and 5 small curve rails, one large and one medium-sized spiral twist, 20 height adjusters, 10 stabilizer rings,16 accelerators, 5 hole shutters, 100 marbles, and one cotton bag * Marbles gain momentum as they spin around the spiral twists * Curve rails allow for cyclone-like run configurations * Endless possibilities for reconfiguring the layout. See enclosed guidebook * German-engineered design inspired by Da Vinci Circle* Helps to develop spatial thinking and an understanding of Science, Technology, Engineering and Mathematics STEM principles * Praised by The Wall Street Journal as the perfect toy for teaching children how to code * Compatible with all Hape Quadrilla sets * For ages 4+