A tetrahedron
1937
Set of Platonic solids
An icosahedron
1937
A cube (hexahedron)
1937
Set of five regular Platonic Solids in box
1568-1691
Selection of models showing the five regular Platonic solids:- tetrahedron
1937
set of five ivory regular Platonic solids: tetrahedron (edge: 20 mm)
1568-1691