3D Geometry, Shape and Space :: Polyhedra : nrichs Skeleton Shapes Age 5 to 7 Challenge Level: How many balls of modelling clay and how many straws does it take to make these skeleton shapes? Tet-trouble What can you make and how many of the pieces can you use creating skeleton polyhedra? Paper Folding - Models of the Platonic Solids How to Construct a Dodecahedron With Straws | Sciencing Apr 24, 2017A dodecahedron is a three-dimensional shape with 12 flat surfaces as sides. Each of the 12 sides has five edges, meaning dodecahedrons are made of pentagons. You can demonstrate this polyhedron by telescoping straws one into another and building pentagons, then taping 12 of these pentagons together with three meeting at each point.
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