Rotascope Puzzle
(Sam Loyd)
1977
©
Raoul Raba
Produced by Pentangle, England
Ø 140 mm, box 170x170 mm
back
Hungarian Rings
1982
©
E.Pap
Produced by Fok-Gyem Budapest
back
Rubik's Fifteen
1981
©
Erno Rubik
140x110 mm
back
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