Bayko box Designer (Person) Plimpton, Charles Manufacturer Plimpton Engineering Company Date 1934 - 1967 (circa)
Oliblock Designer (Person) Oakley, Daniel Manufacturer Unknown Manufactured for Oliblock Date 2001 (circa)
Bayko Building Set Designer (Person) Plimpton, Charles Manufacturer Plimpton Engineering Company Date 1950 - 1959 (circa)