A puzzle with moving marbles which reminds one of the Astrolabacus.

• Inventor: Dmitry Novikov
• Mechanism: Rings of pieces (2D + rotation)
• Patents: Unknown
• Producer: DieN Logical Toys
• Year: 2010
• Original Price: $16.95 USD
• Current Price: No Data

This puzzle was known as Chainball for some time. It consists of 20 marbles. 5 marbles for each of the four colours. Depending on how the two spheres are rotated the puzzle allows two different movements:
1. If the rotating gears are orientated parallel there are two layers with 10 marbles each. Each layers represents a circular movement of the marbles.
2. If the gears are not parallel a single circular movement for all 20 marbles is possible.

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