Early prototype of a piece of marble run track built to attach to LEGO bricks. Featured on Day 4 of MakerHome: http://makerhome.blogspot.com/2013/08/day-4-lego-marble-run.html ===== Twitter: twitter.com/mathgrrl Hacktastic blog: www.mathgrrl.com/hacktastic Shapeways geekhaus store: www.shapeways.com/shops/mathgr... This design and all associated pictures and files are licensed under the Creative Commons Attribution Non-Commercial Share Alike license. If you want to use designs, images, or files outside of the terms of this license, please email [email protected] .