Kickstarting a CC-licensed picture book that teaches mathematical functions to small kids

https://www.youtube.com/watch?v=Fn9-3nG-omA

Maria writes, "Funville Adventures is a creative, joyful, and gentle new project that introduces young children to advanced math. Children as young as 5 will enjoy the story and math-rich play; older children and adults can also investigate the deeper mathematical concepts such as inverse function, composition, and functional." (more…)