This appears to be an "assembly cube", like the ones sold by Mefferts.

• Inventor: Unknown
• Mechanism: 3x3x3
• Patents: Unknown
• Producer: Unknown
• Year: Unknown
• Original Price: Unknown
• Current Price: No Data

The text on the package appears in six different languages. It roughly translates into "The special key attached will make it possible to solve the mystery of cube." There is a key hole in the middle of the boy's left eye.

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