Crafts Too Kaleido Foil Ink Pen. This pen is designed for use with the Kaleido hot foil machine. The pen is filled with Kaleido liquid ink so that you can write or draw with it then add foil using the hot foil machine. Add foiled signatures or messages to your hand made cards or foil your own hand drawn images. Add foiled finishing touches such as dots or faux stitching. The possibilities are endless. The pen has a replaceable screw cap to prevent it from drying out.