play – learn – create
For over 20 years, AHA has been the meeting place for phenomena fans from all over the world. In this web-shop we present a selection of our physical and mathematical objects. In our gallery in
you will find many more amazing phenomena - to touch, watch and listen to. Everything is real, nothing is virtual. Visit us!
/ D20 Icosahedron
Transformation from an equilateral triangle to a square, resp. to a pentagon
Zirkel für goldenen Schnitt
Limited Edition 124 of 250 opaque
55mm – 7 Layered
inkl. 7.7% MwSt.
Add to cart