This personalized jacobs ladder from Miles Kimball is a simple toy for children that will utterly confound you. It’s easy to make the jacobs ladder puzzle work—the puzzle is how it can possibly do what it does. Just grasp the second square, lift, and watch the squares tumble: they’re tied, can’t possibly move, yet they tumble over and over again. Specify name limit 1 line, 16 letters/spaces. Extends to 13".