Here are a few more links for polyhedra!
https://edutccom.ipower.com/catalog/product_info.php?products_id=247&osCsid=7fe56a5c95925ed16db1944d7a8eef4a
http://www.jovotoys.com/JovoPictures.html
http://www.amshq.org/conference/neworleans/program/handouts.htm
(scroll down to "Did Montessori Use Platonic Solids" and click
on the red highlighted pdf next to the title.
There is a journal article there as
well...same instructions...click on the pdf)
http://www.qubits.com/Products/Products.html
