This puzzle was designed in 1970 by the Swiss toy designer Antonio Vitali and produced by the German manufacture...

This puzzle was designed in 1970 by the Swiss toy designer Antonio Vitali and produced by the German manufacture...

This puzzle was designed in 1970 by the Swiss toy designer Antonio Vitali and produced by the German manufacture...

This puzzle was designed in 1970 by the Swiss toy designer Antonio Vitali and produced by the Swiss manufacturer...

This puzzle was designed in 1970 by the Swiss toy designer Antonio Vitali and produced by the German manufacture...

This puzzle was designed in 1970 by the Swiss toy designer Antonio Vitali and produced by the German manufacture...