Build marble runs where your imagination is the only limit. Get started easily with the snap in place system, & turn it off when you want to go beyond the trodden path. Use a variety of shapes & materials to bring your creations to life. When they are not enough, use mechanical contraptions to lift, push & steer your marbles. Still can't find the right style or function of a piece? Then you can build your own! Marvelous Marbles is meant to be modded & comes with Steam Workshop integra...