Make your Hubelino marble run even more fun with this track set. You'll have more curves, more slopes, and more straight pieces, making your marbles go even faster! Now you can build even more beautiful, longer, and larger constructions. Use your imagination and creativity to create the best marble runs, or use the examples from the Hubelino app. This set is a supplement and can only be used in combination with the Hubelino basic, starter, or mini set. This set contains everything you need to make your marble run even better: - 8 small track pieces - 2 medium-sized track pieces - 4 large track pieces - 2 small slopes - 8 large slopes - 3 stop/start blocks - 4 tunnels - 8 curves (90º) - 5 large curves (180º) - 6 corner pieces - 1 intersection - 4 marbles