Archimedean solid at vismath
Reptangles
These “Reptangles” turtles are building blocks for geometric constructions. They snap together and form the most amazing polyhedra. Two turtles can connect in more than 100 ways! Discover symmetry, rotations, and reflections. A full color booklet is included and gives more hints and guidance for more geometric exploration.
For everyone from 6 – 99!
Zometool: Green Lines
With the green struts, which were introduced to the Zometool universe at a later date, you can now build accurate octahedrons and tetrahedrons. These struts end with pentagons and thus belong in the same openings of the Zometool node as the red struts. Learn more...