Here is a source:
https://palcospecialties.com/catalog/I do have the pdf from Dramatics Magazine on how to make them, too.
Andy Perry
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John Perry
Retired Theatre Teacher
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Original Message:
Sent: 01-04-2022 23:00
From: Ronald Gingerich
Subject: theatre cubes
I am looking for a source of theatre cubes for the classroom. I bought some several years ago and can't remember who the vendor was. I am looking for pre-made cubes, not kits or plans; from a US source not UK. Thank you