title:
Diascope JACEK
author:
Predom Prexer
place:
Poljska
date:
ca. 1970
collection:
Mechanical, optical and paper toys
title:
Master mind - a game of logic and intelligence
author:
Dječje novine ; Invicta krajowa agencja wydawnicza
place:
Poljska ; Gornji Milanovac
date:
1972 ; 1974
collection:
Constructive and didactic games