Hajra, Sayonita Ghosh. (2020). I See Platonic solids In Your Future. In S. Kohli (Ed.), Math Circle Activity Database. American Institute of Mathematics. https://mathcircles.org/activity/i-see-platonic-solids-in-your-future
What is the three-dimensional shape inside the classic Mattel Magic 8-Ball toy? This hands-on activity explores the intriguing fact that there are only five different types of Platonic solids, whereas there are infinitely many regular polygons.
This session is also suitable for student math circles or the classroom.