This originally sold for $29.95
Attached is a PCE catalog from the day, and it has many items of interest included PG 48 this cart !

Kinda wish we had PCE around today ! OR at least access to the design as open source ! anyone know an ex employee ?

PC Enterprises Configuration Plus Cart

PCE Catalog from 1984 'WOW'
https://www.pcjribm.com/pcjrfiles/PCEcatalog.pdf