This video gives some examples of ways to encourage problem-solving, visual-spatial skills development, communication development, turn-taking skills, early number awareness, and social interion!\rbr\rbrSee the following video for more information on building a marble run tower:\rbr\rbr\rbrSee the following video for details on how to teach early number skills using a marble run:\rbr\rbr\rbrBuy a GOOD marble run here (there are lots of lame ones):\rbr\rbr\rbrSimilar sensory input for younger kids:\rbr\rbr\rbr