A process to produce novelty fabric decorations comprising of thermochromic (heat-activated) disappearing fabric ink, that is screen printed onto a fabric in predetermined patterns, whereby allowing a fabric decoration to perform a dramatic transformation or allowing a hidden image or a hidden message printed with standard fabric inks to remain concealed, until such time that the thermochromic disappearing ink begins a transition to transparent, causing the decoration to dramatically transform or reveal the hidden graphic or the hidden message resulting in an interactive, ever-changing article of clothing.