Marble Run with Bricks

Massive dual track marble run with screw lift system that uses a standard “TT motor”. The system includes a lift system along with two loops of track. Works with standard 16mm glass marbles. Maximum marble size is 16.5mm. The second loop is optional. Video The columns shown with the track are optional, they can be replaced with regular bricks (a combination of 2x2 and 2x4 bricks can be used). Also the 2x4 plate files can be removed if you have your own. Instructions to build the lift: Before starting check that there are no defects at the very top of the base. If there are any that need to be fixed first (sand or cut off). Insert the exit of lift onto the top of the base (it should face the side with the motor mount). Push it straight onto the base making sure the bottom of the base is supported on a solid surface. Work it down evenly a few layers at a time. Make sure it is seated on the bosses: Add the feet to the base making sure the rounded end goes up (the 2 little feet go on the o