I have Letter Quiz, a prototype ComputerSmarts unit w/ cartridge, Photos of the VideoPhone, and artwork for most of the tapes
From The Lost Media Wiki
Letter Quiz: https://youtu.be/Bq2rS3oUPdk My prototype ComputerSmarts: https://imgur.com/a/FmWEGwV Videosmarts cover art: https://imgur.com/a/LvJdMI2 VideoPhone: https://imgur.com/a/plVpieI