Summary Write on an inflated balloon, then deflate and shrink the writing. Science content Chemistry: States of Matter, Properties of Materials (K-7) Lessons activity is in Balloon science Materials balloon mini binder clip pen that writes on balloons e.g. permanent marker, various sizes Procedure Inflate the balloon - do not tie it off. Hold the balloon closed with a small binder clip. Writing a message/name and draw on the balloon. Try fat and thin permanent markers. Deflate the balloon. Marvel at the beautiful tiny writing! Notes Experiment more with balloon elasticity and bouncing: https://www.howtosmile.org/resource/smile-000-000-004-107 (needs some testing and research). Grades taught Gr K Gr 1 Gr 2 Gr 3 Gr 4 Gr 5