Make your Hubelino marble run even more fun with this Switch Add-On Set. This Hubelino add-on set includes two switches, allowing you to decide which ball reaches the target. Do you go left or right? Use your imagination and creativity to create the most fun marble runs, or use the examples from the Hubelino app. This add-on set will provide hours of play, building, and marble fun! The marble runs and building blocks are made of high-quality, durable plastic, so you'll enjoy them for longer! This set is an add-on and can only be used in conjunction with the Hubelino Basic, Starter, or Mini Set. This set contains everything you need to make your marble run even better: - 2 switches - 22 track elements - 15 building blocks - 3 marbles - 1 base plate