Quercetti Migoga Marble Run Vortis (80 Piece Set)
Create your own marble runs with this exciting construction set. Reproduce the models pictured on the box or enjoy experimenting with your own designs. Interlocking chutes, bridges, columns, spinning-wheels can be combined in infinite variations for long-lasting fun. This toy stimulates creativity and reasoning both of which are required to build impressive looking structures with the correct angles of inclination.