Nine circles version. Apart from the basic solution, there are other patterns that can be made with the colours.

• Inventor: Unknown
• Mechanism: Intersecting circles
• Patents: 65150
• Producer: Taiwan
• Year: Unknown
• Original Price: $0.00 USD
• Current Price: No Data

The backside inscription reads: "R.O.C. PATENT NO. 65151"

Thank you to the following people for their assistance in helping collect the information on this page: Oscar Rosen.

This puzzle can be found in collections of these members:

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