PhiTOP
 

PhiTOP
This ellipsoid top was designed by one of our long time customers, Ken Brecher, a professor at B.U. It's got some surprising physical properties — and it's fun to play with.
Bonus: it's beautiful too.
(mirror base included)

$20.00

for orders/enquiries click here or phone 617.864.8188
Joie de Vivre, Cambridge, Massachusetts