Learning activity for kids, DIY Kit for kids, It is in the ink! Explore how ink and printer toner can have different properties! Watch before your eyes as letters float! Create secret messages that can disappear and reappear using only heat and cold! Kit includes a special paper that dissolves(clip art varies) and an erasable pen (colors vary). Also included is an easy to follow worksheet. Supplies you provide: Water, bowl, spoon, hairdryer, and a piece of paper 4" X 6" kit includes instructions, exploration of ink in a pen and printer toner