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Build the Platonic Solids

Build the shapes that have intrigued philosophers, mathematicians and scientists for centuries.

Platonic solids are very unique shapes. From all possible convex polyhedra, only five can be made with regular polygons as faces. There are many ways to prove there can’t be a sixth Platonic solid, one of them is trying it yourself!

TetrahedronTetrahedron
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Tetrahedron
Hexahedron
Octahedron
Dodecahedron
Icosahedron

Platonic Solids can be combined in many different ways. They are commonly connected by the corners (vertex), edges or just stacked. Be creative and avoid solutions that fold or damage the straws, they are reusable.

Combine the platonic solids in different shapes and sizesCombine the platonic solids in different shapes and sizes
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Combine the platonic solids in different shapes and sizes
Stacking them reveals interesting geometric properties
Connect them face by face with other solids
If you slide a straw through two connectors you can have mechanical properties
Strawbees developed a connector that helps young children to connect shapes
Explore the resources around you to extend and improve your build

Other Activities