Viga Marble Run is a 49-piece set that allows for all sorts of building and creation! Let kids witness physics in action with a wooden marble run! Kids will make paths, set tracks, put obstacles, and watch as the marbles traverse the maze they made themselves. The set contains ramps, slides, stairs, blocks, and various contraptions that affect the motion and speed of the marbles. Kids will learn while having fun with this excellent set that comes with a bucket for easy clean-up and storage