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.

Additional Inspiration

Beckmann, S. (2013). Mathematics for elementary teachers with activities (4th ed.). Boston: Pearson Education.