As easy to use as a regular pen simply hold the colido 3d pen in thin air and draw to create instant rigid free standing structures explore new dimensions with this innovative tool great for home or office use you can create figurines household objects decorate arts and crafts projects and so much more with the colido 3d pen your imagination is your only limit the colido 3d pen is lightweight simple to operate and allows you complete control with a speed adjustment button its autom